Home / 19,602.30-29,399.13-12,561.18

Finding the Fourth Proportional to 19,602.30, 29,399.13 and 12,561.18

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Solution

The fourth proportional to 19,602.30, 29,399.13 and 12,561.18 is: 18,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.30 : 29,399.13 = 12,561.18 : x
  2. Step 2: Convert to fraction form
    19,602.30/29,399.13 = 12,561.18/x
  3. Step 3: Cross multiply
    19,602.30x = 29,399.13 × 12,561.18
  4. Step 4: Simplify right side
    19,602.30x = 369,287,763.77
  5. Step 5: Solve for x
    x = 369,287,763.77/19,602.30
  6. Step 6: Final answer
    x = 18,839.00

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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.