Home / 19,432.33-29,130.71-9,434.99

Finding the Fourth Proportional to 19,432.33, 29,130.71 and 9,434.99

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Solution

The fourth proportional to 19,432.33, 29,130.71 and 9,434.99 is: 14,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.33 : 29,130.71 = 9,434.99 : x
  2. Step 2: Convert to fraction form
    19,432.33/29,130.71 = 9,434.99/x
  3. Step 3: Cross multiply
    19,432.33x = 29,130.71 × 9,434.99
  4. Step 4: Simplify right side
    19,432.33x = 274,847,983.19
  5. Step 5: Solve for x
    x = 274,847,983.19/19,432.33
  6. Step 6: Final answer
    x = 14,143.85

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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.