Home / 15,962.13-22,027.32-8,888.40

Finding the Fourth Proportional to 15,962.13, 22,027.32 and 8,888.40

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Solution

The fourth proportional to 15,962.13, 22,027.32 and 8,888.40 is: 12,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.13 : 22,027.32 = 8,888.40 : x
  2. Step 2: Convert to fraction form
    15,962.13/22,027.32 = 8,888.40/x
  3. Step 3: Cross multiply
    15,962.13x = 22,027.32 × 8,888.40
  4. Step 4: Simplify right side
    15,962.13x = 195,787,631.09
  5. Step 5: Solve for x
    x = 195,787,631.09/15,962.13
  6. Step 6: Final answer
    x = 12,265.76

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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.