Home / 15,619.16-21,562.26-10,609.88

Finding the Fourth Proportional to 15,619.16, 21,562.26 and 10,609.88

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Solution

The fourth proportional to 15,619.16, 21,562.26 and 10,609.88 is: 14,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.16 : 21,562.26 = 10,609.88 : x
  2. Step 2: Convert to fraction form
    15,619.16/21,562.26 = 10,609.88/x
  3. Step 3: Cross multiply
    15,619.16x = 21,562.26 × 10,609.88
  4. Step 4: Simplify right side
    15,619.16x = 228,772,991.13
  5. Step 5: Solve for x
    x = 228,772,991.13/15,619.16
  6. Step 6: Final answer
    x = 14,646.95

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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.