Home / 24,643.20-33,972.48-15,206.40

Finding the Fourth Proportional to 24,643.20, 33,972.48 and 15,206.40

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Solution

The fourth proportional to 24,643.20, 33,972.48 and 15,206.40 is: 20,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,643.20 : 33,972.48 = 15,206.40 : x
  2. Step 2: Convert to fraction form
    24,643.20/33,972.48 = 15,206.40/x
  3. Step 3: Cross multiply
    24,643.20x = 33,972.48 × 15,206.40
  4. Step 4: Simplify right side
    24,643.20x = 516,599,119.87
  5. Step 5: Solve for x
    x = 516,599,119.87/24,643.20
  6. Step 6: Final answer
    x = 20,963.15

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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.