Home / 11,822.53-17,681.51-10,515.46

Finding the Fourth Proportional to 11,822.53, 17,681.51 and 10,515.46

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Solution

The fourth proportional to 11,822.53, 17,681.51 and 10,515.46 is: 15,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.53 : 17,681.51 = 10,515.46 : x
  2. Step 2: Convert to fraction form
    11,822.53/17,681.51 = 10,515.46/x
  3. Step 3: Cross multiply
    11,822.53x = 17,681.51 × 10,515.46
  4. Step 4: Simplify right side
    11,822.53x = 185,929,184.86
  5. Step 5: Solve for x
    x = 185,929,184.86/11,822.53
  6. Step 6: Final answer
    x = 15,726.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.