Home / 13,532.74-18,655.31-8,752.32

Finding the Fourth Proportional to 13,532.74, 18,655.31 and 8,752.32

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Solution

The fourth proportional to 13,532.74, 18,655.31 and 8,752.32 is: 12,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.74 : 18,655.31 = 8,752.32 : x
  2. Step 2: Convert to fraction form
    13,532.74/18,655.31 = 8,752.32/x
  3. Step 3: Cross multiply
    13,532.74x = 18,655.31 × 8,752.32
  4. Step 4: Simplify right side
    13,532.74x = 163,277,264.70
  5. Step 5: Solve for x
    x = 163,277,264.70/13,532.74
  6. Step 6: Final answer
    x = 12,065.35

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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.