Home / 25,471.91-35,151.36-15,917.34

Finding the Fourth Proportional to 25,471.91, 35,151.36 and 15,917.34

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Solution

The fourth proportional to 25,471.91, 35,151.36 and 15,917.34 is: 21,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.91 : 35,151.36 = 15,917.34 : x
  2. Step 2: Convert to fraction form
    25,471.91/35,151.36 = 15,917.34/x
  3. Step 3: Cross multiply
    25,471.91x = 35,151.36 × 15,917.34
  4. Step 4: Simplify right side
    25,471.91x = 559,516,148.58
  5. Step 5: Solve for x
    x = 559,516,148.58/25,471.91
  6. Step 6: Final answer
    x = 21,966.01

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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.