Home / 17,621.20-24,319.20-10,549.36

Finding the Fourth Proportional to 17,621.20, 24,319.20 and 10,549.36

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Solution

The fourth proportional to 17,621.20, 24,319.20 and 10,549.36 is: 14,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.20 : 24,319.20 = 10,549.36 : x
  2. Step 2: Convert to fraction form
    17,621.20/24,319.20 = 10,549.36/x
  3. Step 3: Cross multiply
    17,621.20x = 24,319.20 × 10,549.36
  4. Step 4: Simplify right side
    17,621.20x = 256,551,995.71
  5. Step 5: Solve for x
    x = 256,551,995.71/17,621.20
  6. Step 6: Final answer
    x = 14,559.28

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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.