Home / 19,354.06-28,900.05-15,360.53

Finding the Fourth Proportional to 19,354.06, 28,900.05 and 15,360.53

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Solution

The fourth proportional to 19,354.06, 28,900.05 and 15,360.53 is: 22,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.06 : 28,900.05 = 15,360.53 : x
  2. Step 2: Convert to fraction form
    19,354.06/28,900.05 = 15,360.53/x
  3. Step 3: Cross multiply
    19,354.06x = 28,900.05 × 15,360.53
  4. Step 4: Simplify right side
    19,354.06x = 443,919,998.13
  5. Step 5: Solve for x
    x = 443,919,998.13/19,354.06
  6. Step 6: Final answer
    x = 22,936.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.