Home / 31,396.18-47,094.53-9,209.92

Finding the Fourth Proportional to 31,396.18, 47,094.53 and 9,209.92

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Solution

The fourth proportional to 31,396.18, 47,094.53 and 9,209.92 is: 13,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.18 : 47,094.53 = 9,209.92 : x
  2. Step 2: Convert to fraction form
    31,396.18/47,094.53 = 9,209.92/x
  3. Step 3: Cross multiply
    31,396.18x = 47,094.53 × 9,209.92
  4. Step 4: Simplify right side
    31,396.18x = 433,736,853.74
  5. Step 5: Solve for x
    x = 433,736,853.74/31,396.18
  6. Step 6: Final answer
    x = 13,814.96

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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.