Home / 20,041.98-27,652.95-12,959.88

Finding the Fourth Proportional to 20,041.98, 27,652.95 and 12,959.88

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Solution

The fourth proportional to 20,041.98, 27,652.95 and 12,959.88 is: 17,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.98 : 27,652.95 = 12,959.88 : x
  2. Step 2: Convert to fraction form
    20,041.98/27,652.95 = 12,959.88/x
  3. Step 3: Cross multiply
    20,041.98x = 27,652.95 × 12,959.88
  4. Step 4: Simplify right side
    20,041.98x = 358,378,913.65
  5. Step 5: Solve for x
    x = 358,378,913.65/20,041.98
  6. Step 6: Final answer
    x = 17,881.41

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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.