Home / 18,578.65-25,632.28-10,615.24

Finding the Fourth Proportional to 18,578.65, 25,632.28 and 10,615.24

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Solution

The fourth proportional to 18,578.65, 25,632.28 and 10,615.24 is: 14,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.65 : 25,632.28 = 10,615.24 : x
  2. Step 2: Convert to fraction form
    18,578.65/25,632.28 = 10,615.24/x
  3. Step 3: Cross multiply
    18,578.65x = 25,632.28 × 10,615.24
  4. Step 4: Simplify right side
    18,578.65x = 272,092,803.95
  5. Step 5: Solve for x
    x = 272,092,803.95/18,578.65
  6. Step 6: Final answer
    x = 14,645.46

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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.