Home / 19,154.90-26,432.78-10,771.40

Finding the Fourth Proportional to 19,154.90, 26,432.78 and 10,771.40

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Solution

The fourth proportional to 19,154.90, 26,432.78 and 10,771.40 is: 14,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.90 : 26,432.78 = 10,771.40 : x
  2. Step 2: Convert to fraction form
    19,154.90/26,432.78 = 10,771.40/x
  3. Step 3: Cross multiply
    19,154.90x = 26,432.78 × 10,771.40
  4. Step 4: Simplify right side
    19,154.90x = 284,718,046.49
  5. Step 5: Solve for x
    x = 284,718,046.49/19,154.90
  6. Step 6: Final answer
    x = 14,863.98

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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.