Home / 25,693.10-38,542.61-9,894.45

Finding the Fourth Proportional to 25,693.10, 38,542.61 and 9,894.45

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Solution

The fourth proportional to 25,693.10, 38,542.61 and 9,894.45 is: 14,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.10 : 38,542.61 = 9,894.45 : x
  2. Step 2: Convert to fraction form
    25,693.10/38,542.61 = 9,894.45/x
  3. Step 3: Cross multiply
    25,693.10x = 38,542.61 × 9,894.45
  4. Step 4: Simplify right side
    25,693.10x = 381,357,878.04
  5. Step 5: Solve for x
    x = 381,357,878.04/25,693.10
  6. Step 6: Final answer
    x = 14,842.82

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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.