Home / 18,521.93-25,560.77-10,564.02

Finding the Fourth Proportional to 18,521.93, 25,560.77 and 10,564.02

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Solution

The fourth proportional to 18,521.93, 25,560.77 and 10,564.02 is: 14,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.93 : 25,560.77 = 10,564.02 : x
  2. Step 2: Convert to fraction form
    18,521.93/25,560.77 = 10,564.02/x
  3. Step 3: Cross multiply
    18,521.93x = 25,560.77 × 10,564.02
  4. Step 4: Simplify right side
    18,521.93x = 270,024,432.68
  5. Step 5: Solve for x
    x = 270,024,432.68/18,521.93
  6. Step 6: Final answer
    x = 14,578.63

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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.