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Finding the Fourth Proportional to 18,752.48, 25,854.90 and 12,026.24

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Solution

The fourth proportional to 18,752.48, 25,854.90 and 12,026.24 is: 16,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.48 : 25,854.90 = 12,026.24 : x
  2. Step 2: Convert to fraction form
    18,752.48/25,854.90 = 12,026.24/x
  3. Step 3: Cross multiply
    18,752.48x = 25,854.90 × 12,026.24
  4. Step 4: Simplify right side
    18,752.48x = 310,937,232.58
  5. Step 5: Solve for x
    x = 310,937,232.58/18,752.48
  6. Step 6: Final answer
    x = 16,581.13

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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.