Home / 14,061.20-19,402.92-7,772.36

Finding the Fourth Proportional to 14,061.20, 19,402.92 and 7,772.36

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Solution

The fourth proportional to 14,061.20, 19,402.92 and 7,772.36 is: 10,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.20 : 19,402.92 = 7,772.36 : x
  2. Step 2: Convert to fraction form
    14,061.20/19,402.92 = 7,772.36/x
  3. Step 3: Cross multiply
    14,061.20x = 19,402.92 × 7,772.36
  4. Step 4: Simplify right side
    14,061.20x = 150,806,479.29
  5. Step 5: Solve for x
    x = 150,806,479.29/14,061.20
  6. Step 6: Final answer
    x = 10,725.01

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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.