Home / 12,559.74-18,842.50-5,541.76

Finding the Fourth Proportional to 12,559.74, 18,842.50 and 5,541.76

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Solution

The fourth proportional to 12,559.74, 18,842.50 and 5,541.76 is: 8,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.74 : 18,842.50 = 5,541.76 : x
  2. Step 2: Convert to fraction form
    12,559.74/18,842.50 = 5,541.76/x
  3. Step 3: Cross multiply
    12,559.74x = 18,842.50 × 5,541.76
  4. Step 4: Simplify right side
    12,559.74x = 104,420,612.80
  5. Step 5: Solve for x
    x = 104,420,612.80/12,559.74
  6. Step 6: Final answer
    x = 8,313.92

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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.