Home / 13,532.77-18,658.15-8,744.66

Finding the Fourth Proportional to 13,532.77, 18,658.15 and 8,744.66

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Solution

The fourth proportional to 13,532.77, 18,658.15 and 8,744.66 is: 12,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.77 : 18,658.15 = 8,744.66 : x
  2. Step 2: Convert to fraction form
    13,532.77/18,658.15 = 8,744.66/x
  3. Step 3: Cross multiply
    13,532.77x = 18,658.15 × 8,744.66
  4. Step 4: Simplify right side
    13,532.77x = 163,159,132.79
  5. Step 5: Solve for x
    x = 163,159,132.79/13,532.77
  6. Step 6: Final answer
    x = 12,056.59

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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.