Home / 14,587.20-21,881.28-9,656.16

Finding the Fourth Proportional to 14,587.20, 21,881.28 and 9,656.16

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Solution

The fourth proportional to 14,587.20, 21,881.28 and 9,656.16 is: 14,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.20 : 21,881.28 = 9,656.16 : x
  2. Step 2: Convert to fraction form
    14,587.20/21,881.28 = 9,656.16/x
  3. Step 3: Cross multiply
    14,587.20x = 21,881.28 × 9,656.16
  4. Step 4: Simplify right side
    14,587.20x = 211,289,140.68
  5. Step 5: Solve for x
    x = 211,289,140.68/14,587.20
  6. Step 6: Final answer
    x = 14,484.56

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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.