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Finding the Fourth Proportional to 18,854.60, 26,023.14 and 10,895.74

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Solution

The fourth proportional to 18,854.60, 26,023.14 and 10,895.74 is: 15,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.60 : 26,023.14 = 10,895.74 : x
  2. Step 2: Convert to fraction form
    18,854.60/26,023.14 = 10,895.74/x
  3. Step 3: Cross multiply
    18,854.60x = 26,023.14 × 10,895.74
  4. Step 4: Simplify right side
    18,854.60x = 283,541,302.37
  5. Step 5: Solve for x
    x = 283,541,302.37/18,854.60
  6. Step 6: Final answer
    x = 15,038.31

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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.