Home / 22,587.68-31,176.21-15,034.32

Finding the Fourth Proportional to 22,587.68, 31,176.21 and 15,034.32

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Solution

The fourth proportional to 22,587.68, 31,176.21 and 15,034.32 is: 20,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587.68 : 31,176.21 = 15,034.32 : x
  2. Step 2: Convert to fraction form
    22,587.68/31,176.21 = 15,034.32/x
  3. Step 3: Cross multiply
    22,587.68x = 31,176.21 × 15,034.32
  4. Step 4: Simplify right side
    22,587.68x = 468,713,117.53
  5. Step 5: Solve for x
    x = 468,713,117.53/22,587.68
  6. Step 6: Final answer
    x = 20,750.84

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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.