Home / 19,140.52-26,414.70-10,757

Finding the Fourth Proportional to 19,140.52, 26,414.70 and 10,757

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Solution

The fourth proportional to 19,140.52, 26,414.70 and 10,757 is: 14,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.52 : 26,414.70 = 10,757 : x
  2. Step 2: Convert to fraction form
    19,140.52/26,414.70 = 10,757/x
  3. Step 3: Cross multiply
    19,140.52x = 26,414.70 × 10,757
  4. Step 4: Simplify right side
    19,140.52x = 284,142,927.90
  5. Step 5: Solve for x
    x = 284,142,927.90/19,140.52
  6. Step 6: Final answer
    x = 14,845.10

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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.