Home / 24,643.60-34,004.16-15,215.20

Finding the Fourth Proportional to 24,643.60, 34,004.16 and 15,215.20

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Solution

The fourth proportional to 24,643.60, 34,004.16 and 15,215.20 is: 20,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,643.60 : 34,004.16 = 15,215.20 : x
  2. Step 2: Convert to fraction form
    24,643.60/34,004.16 = 15,215.20/x
  3. Step 3: Cross multiply
    24,643.60x = 34,004.16 × 15,215.20
  4. Step 4: Simplify right side
    24,643.60x = 517,380,095.23
  5. Step 5: Solve for x
    x = 517,380,095.23/24,643.60
  6. Step 6: Final answer
    x = 20,994.50

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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.