Home / 47,098.53-70,660.55-13,818.30

Finding the Fourth Proportional to 47,098.53, 70,660.55 and 13,818.30

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Solution

The fourth proportional to 47,098.53, 70,660.55 and 13,818.30 is: 20,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,098.53 : 70,660.55 = 13,818.30 : x
  2. Step 2: Convert to fraction form
    47,098.53/70,660.55 = 13,818.30/x
  3. Step 3: Cross multiply
    47,098.53x = 70,660.55 × 13,818.30
  4. Step 4: Simplify right side
    47,098.53x = 976,408,678.07
  5. Step 5: Solve for x
    x = 976,408,678.07/47,098.53
  6. Step 6: Final answer
    x = 20,731.19

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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.