Home / 15,539.24-21,461.62-10,494.70

Finding the Fourth Proportional to 15,539.24, 21,461.62 and 10,494.70

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Solution

The fourth proportional to 15,539.24, 21,461.62 and 10,494.70 is: 14,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.24 : 21,461.62 = 10,494.70 : x
  2. Step 2: Convert to fraction form
    15,539.24/21,461.62 = 10,494.70/x
  3. Step 3: Cross multiply
    15,539.24x = 21,461.62 × 10,494.70
  4. Step 4: Simplify right side
    15,539.24x = 225,233,263.41
  5. Step 5: Solve for x
    x = 225,233,263.41/15,539.24
  6. Step 6: Final answer
    x = 14,494.48

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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.