Home / 29,148.67-43,712.07-9,421.93

Finding the Fourth Proportional to 29,148.67, 43,712.07 and 9,421.93

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Solution

The fourth proportional to 29,148.67, 43,712.07 and 9,421.93 is: 14,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.67 : 43,712.07 = 9,421.93 : x
  2. Step 2: Convert to fraction form
    29,148.67/43,712.07 = 9,421.93/x
  3. Step 3: Cross multiply
    29,148.67x = 43,712.07 × 9,421.93
  4. Step 4: Simplify right side
    29,148.67x = 411,852,063.70
  5. Step 5: Solve for x
    x = 411,852,063.70/29,148.67
  6. Step 6: Final answer
    x = 14,129.36

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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.