Home / 16,258.12-22,350.08-13,981.11

Finding the Fourth Proportional to 16,258.12, 22,350.08 and 13,981.11

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Solution

The fourth proportional to 16,258.12, 22,350.08 and 13,981.11 is: 19,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,258.12 : 22,350.08 = 13,981.11 : x
  2. Step 2: Convert to fraction form
    16,258.12/22,350.08 = 13,981.11/x
  3. Step 3: Cross multiply
    16,258.12x = 22,350.08 × 13,981.11
  4. Step 4: Simplify right side
    16,258.12x = 312,478,799.49
  5. Step 5: Solve for x
    x = 312,478,799.49/16,258.12
  6. Step 6: Final answer
    x = 19,219.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.