Home / 25,869.28-35,665.56-16,901.20

Finding the Fourth Proportional to 25,869.28, 35,665.56 and 16,901.20

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Solution

The fourth proportional to 25,869.28, 35,665.56 and 16,901.20 is: 23,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.28 : 35,665.56 = 16,901.20 : x
  2. Step 2: Convert to fraction form
    25,869.28/35,665.56 = 16,901.20/x
  3. Step 3: Cross multiply
    25,869.28x = 35,665.56 × 16,901.20
  4. Step 4: Simplify right side
    25,869.28x = 602,790,762.67
  5. Step 5: Solve for x
    x = 602,790,762.67/25,869.28
  6. Step 6: Final answer
    x = 23,301.41

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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.