Home / 19,996.80-27,587.52-12,437.76

Finding the Fourth Proportional to 19,996.80, 27,587.52 and 12,437.76

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Solution

The fourth proportional to 19,996.80, 27,587.52 and 12,437.76 is: 17,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.80 : 27,587.52 = 12,437.76 : x
  2. Step 2: Convert to fraction form
    19,996.80/27,587.52 = 12,437.76/x
  3. Step 3: Cross multiply
    19,996.80x = 27,587.52 × 12,437.76
  4. Step 4: Simplify right side
    19,996.80x = 343,126,952.76
  5. Step 5: Solve for x
    x = 343,126,952.76/19,996.80
  6. Step 6: Final answer
    x = 17,159.09

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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.