Home / 20,595.06-28,422.90-11,646.18

Finding the Fourth Proportional to 20,595.06, 28,422.90 and 11,646.18

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Solution

The fourth proportional to 20,595.06, 28,422.90 and 11,646.18 is: 16,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.06 : 28,422.90 = 11,646.18 : x
  2. Step 2: Convert to fraction form
    20,595.06/28,422.90 = 11,646.18/x
  3. Step 3: Cross multiply
    20,595.06x = 28,422.90 × 11,646.18
  4. Step 4: Simplify right side
    20,595.06x = 331,018,209.52
  5. Step 5: Solve for x
    x = 331,018,209.52/20,595.06
  6. Step 6: Final answer
    x = 16,072.70

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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.