Home / 16,578.72-22,848.18-15,526.56

Finding the Fourth Proportional to 16,578.72, 22,848.18 and 15,526.56

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Solution

The fourth proportional to 16,578.72, 22,848.18 and 15,526.56 is: 21,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.72 : 22,848.18 = 15,526.56 : x
  2. Step 2: Convert to fraction form
    16,578.72/22,848.18 = 15,526.56/x
  3. Step 3: Cross multiply
    16,578.72x = 22,848.18 × 15,526.56
  4. Step 4: Simplify right side
    16,578.72x = 354,753,637.66
  5. Step 5: Solve for x
    x = 354,753,637.66/16,578.72
  6. Step 6: Final answer
    x = 21,398.13

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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.