Home / 29,155.84-43,740.12-9,436.38

Finding the Fourth Proportional to 29,155.84, 43,740.12 and 9,436.38

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Solution

The fourth proportional to 29,155.84, 43,740.12 and 9,436.38 is: 14,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.84 : 43,740.12 = 9,436.38 : x
  2. Step 2: Convert to fraction form
    29,155.84/43,740.12 = 9,436.38/x
  3. Step 3: Cross multiply
    29,155.84x = 43,740.12 × 9,436.38
  4. Step 4: Simplify right side
    29,155.84x = 412,748,393.57
  5. Step 5: Solve for x
    x = 412,748,393.57/29,155.84
  6. Step 6: Final answer
    x = 14,156.63

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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.