Home / 22,912.50-31,614.45-13,482.10

Finding the Fourth Proportional to 22,912.50, 31,614.45 and 13,482.10

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Solution

The fourth proportional to 22,912.50, 31,614.45 and 13,482.10 is: 18,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,912.50 : 31,614.45 = 13,482.10 : x
  2. Step 2: Convert to fraction form
    22,912.50/31,614.45 = 13,482.10/x
  3. Step 3: Cross multiply
    22,912.50x = 31,614.45 × 13,482.10
  4. Step 4: Simplify right side
    22,912.50x = 426,229,176.35
  5. Step 5: Solve for x
    x = 426,229,176.35/22,912.50
  6. Step 6: Final answer
    x = 18,602.47

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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.