Home / 18,508.60-25,541.64-10,550.56

Finding the Fourth Proportional to 18,508.60, 25,541.64 and 10,550.56

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Solution

The fourth proportional to 18,508.60, 25,541.64 and 10,550.56 is: 14,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.60 : 25,541.64 = 10,550.56 : x
  2. Step 2: Convert to fraction form
    18,508.60/25,541.64 = 10,550.56/x
  3. Step 3: Cross multiply
    18,508.60x = 25,541.64 × 10,550.56
  4. Step 4: Simplify right side
    18,508.60x = 269,478,605.32
  5. Step 5: Solve for x
    x = 269,478,605.32/18,508.60
  6. Step 6: Final answer
    x = 14,559.64

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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.