Home / 16,258.83-22,439.76-9,887.44

Finding the Fourth Proportional to 16,258.83, 22,439.76 and 9,887.44

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Solution

The fourth proportional to 16,258.83, 22,439.76 and 9,887.44 is: 13,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,258.83 : 22,439.76 = 9,887.44 : x
  2. Step 2: Convert to fraction form
    16,258.83/22,439.76 = 9,887.44/x
  3. Step 3: Cross multiply
    16,258.83x = 22,439.76 × 9,887.44
  4. Step 4: Simplify right side
    16,258.83x = 221,871,820.43
  5. Step 5: Solve for x
    x = 221,871,820.43/16,258.83
  6. Step 6: Final answer
    x = 13,646.24

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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.