Home / 15,532.41-21,434.82-9,245.01

Finding the Fourth Proportional to 15,532.41, 21,434.82 and 9,245.01

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Solution

The fourth proportional to 15,532.41, 21,434.82 and 9,245.01 is: 12,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.41 : 21,434.82 = 9,245.01 : x
  2. Step 2: Convert to fraction form
    15,532.41/21,434.82 = 9,245.01/x
  3. Step 3: Cross multiply
    15,532.41x = 21,434.82 × 9,245.01
  4. Step 4: Simplify right side
    15,532.41x = 198,165,125.25
  5. Step 5: Solve for x
    x = 198,165,125.25/15,532.41
  6. Step 6: Final answer
    x = 12,758.17

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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.