Home / 47,614.23-71,421.95-12,553.58

Finding the Fourth Proportional to 47,614.23, 71,421.95 and 12,553.58

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Solution

The fourth proportional to 47,614.23, 71,421.95 and 12,553.58 is: 18,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,614.23 : 71,421.95 = 12,553.58 : x
  2. Step 2: Convert to fraction form
    47,614.23/71,421.95 = 12,553.58/x
  3. Step 3: Cross multiply
    47,614.23x = 71,421.95 × 12,553.58
  4. Step 4: Simplify right side
    47,614.23x = 896,601,373.02
  5. Step 5: Solve for x
    x = 896,601,373.02/47,614.23
  6. Step 6: Final answer
    x = 18,830.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.