Home / 17,868.80-26,774.40-14,931.20

Finding the Fourth Proportional to 17,868.80, 26,774.40 and 14,931.20

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Solution

The fourth proportional to 17,868.80, 26,774.40 and 14,931.20 is: 22,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.80 : 26,774.40 = 14,931.20 : x
  2. Step 2: Convert to fraction form
    17,868.80/26,774.40 = 14,931.20/x
  3. Step 3: Cross multiply
    17,868.80x = 26,774.40 × 14,931.20
  4. Step 4: Simplify right side
    17,868.80x = 399,773,921.28
  5. Step 5: Solve for x
    x = 399,773,921.28/17,868.80
  6. Step 6: Final answer
    x = 22,372.73

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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.