Home / 14,047.03-21,070.54-3,658.78

Finding the Fourth Proportional to 14,047.03, 21,070.54 and 3,658.78

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Solution

The fourth proportional to 14,047.03, 21,070.54 and 3,658.78 is: 5,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.03 : 21,070.54 = 3,658.78 : x
  2. Step 2: Convert to fraction form
    14,047.03/21,070.54 = 3,658.78/x
  3. Step 3: Cross multiply
    14,047.03x = 21,070.54 × 3,658.78
  4. Step 4: Simplify right side
    14,047.03x = 77,092,470.34
  5. Step 5: Solve for x
    x = 77,092,470.34/14,047.03
  6. Step 6: Final answer
    x = 5,488.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.