Home / 19,877.90-27,432.01-10,925.63

Finding the Fourth Proportional to 19,877.90, 27,432.01 and 10,925.63

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Solution

The fourth proportional to 19,877.90, 27,432.01 and 10,925.63 is: 15,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.90 : 27,432.01 = 10,925.63 : x
  2. Step 2: Convert to fraction form
    19,877.90/27,432.01 = 10,925.63/x
  3. Step 3: Cross multiply
    19,877.90x = 27,432.01 × 10,925.63
  4. Step 4: Simplify right side
    19,877.90x = 299,711,991.42
  5. Step 5: Solve for x
    x = 299,711,991.42/19,877.90
  6. Step 6: Final answer
    x = 15,077.65

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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.