Home / 19,344.30-26,706.78-12,641.15

Finding the Fourth Proportional to 19,344.30, 26,706.78 and 12,641.15

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Solution

The fourth proportional to 19,344.30, 26,706.78 and 12,641.15 is: 17,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.30 : 26,706.78 = 12,641.15 : x
  2. Step 2: Convert to fraction form
    19,344.30/26,706.78 = 12,641.15/x
  3. Step 3: Cross multiply
    19,344.30x = 26,706.78 × 12,641.15
  4. Step 4: Simplify right side
    19,344.30x = 337,604,412.00
  5. Step 5: Solve for x
    x = 337,604,412.00/19,344.30
  6. Step 6: Final answer
    x = 17,452.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.