Home / 29,191.40-40,276.72-17,856.76

Finding the Fourth Proportional to 29,191.40, 40,276.72 and 17,856.76

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Solution

The fourth proportional to 29,191.40, 40,276.72 and 17,856.76 is: 24,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.40 : 40,276.72 = 17,856.76 : x
  2. Step 2: Convert to fraction form
    29,191.40/40,276.72 = 17,856.76/x
  3. Step 3: Cross multiply
    29,191.40x = 40,276.72 × 17,856.76
  4. Step 4: Simplify right side
    29,191.40x = 719,211,644.26
  5. Step 5: Solve for x
    x = 719,211,644.26/29,191.40
  6. Step 6: Final answer
    x = 24,637.79

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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.