Home / 19,443.90-29,141.57-8,337.71

Finding the Fourth Proportional to 19,443.90, 29,141.57 and 8,337.71

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Solution

The fourth proportional to 19,443.90, 29,141.57 and 8,337.71 is: 12,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.90 : 29,141.57 = 8,337.71 : x
  2. Step 2: Convert to fraction form
    19,443.90/29,141.57 = 8,337.71/x
  3. Step 3: Cross multiply
    19,443.90x = 29,141.57 × 8,337.71
  4. Step 4: Simplify right side
    19,443.90x = 242,973,971.34
  5. Step 5: Solve for x
    x = 242,973,971.34/19,443.90
  6. Step 6: Final answer
    x = 12,496.16

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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.