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Finding the Fourth Proportional to 18,873.59, 26,045.52 and 10,376.25

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Solution

The fourth proportional to 18,873.59, 26,045.52 and 10,376.25 is: 14,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.59 : 26,045.52 = 10,376.25 : x
  2. Step 2: Convert to fraction form
    18,873.59/26,045.52 = 10,376.25/x
  3. Step 3: Cross multiply
    18,873.59x = 26,045.52 × 10,376.25
  4. Step 4: Simplify right side
    18,873.59x = 270,254,826.90
  5. Step 5: Solve for x
    x = 270,254,826.90/18,873.59
  6. Step 6: Final answer
    x = 14,319.21

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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.