Home / 14,021.03-19,325.57-12,315.17

Finding the Fourth Proportional to 14,021.03, 19,325.57 and 12,315.17

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Solution

The fourth proportional to 14,021.03, 19,325.57 and 12,315.17 is: 16,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.03 : 19,325.57 = 12,315.17 : x
  2. Step 2: Convert to fraction form
    14,021.03/19,325.57 = 12,315.17/x
  3. Step 3: Cross multiply
    14,021.03x = 19,325.57 × 12,315.17
  4. Step 4: Simplify right side
    14,021.03x = 237,997,521.69
  5. Step 5: Solve for x
    x = 237,997,521.69/14,021.03
  6. Step 6: Final answer
    x = 16,974.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.