Home / 25,155.05-34,712.49-14,400.47

Finding the Fourth Proportional to 25,155.05, 34,712.49 and 14,400.47

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Solution

The fourth proportional to 25,155.05, 34,712.49 and 14,400.47 is: 19,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.05 : 34,712.49 = 14,400.47 : x
  2. Step 2: Convert to fraction form
    25,155.05/34,712.49 = 14,400.47/x
  3. Step 3: Cross multiply
    25,155.05x = 34,712.49 × 14,400.47
  4. Step 4: Simplify right side
    25,155.05x = 499,875,997.31
  5. Step 5: Solve for x
    x = 499,875,997.31/25,155.05
  6. Step 6: Final answer
    x = 19,871.80

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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.