Home / 26,869.65-37,080.87-15,538.06

Finding the Fourth Proportional to 26,869.65, 37,080.87 and 15,538.06

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Solution

The fourth proportional to 26,869.65, 37,080.87 and 15,538.06 is: 21,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.65 : 37,080.87 = 15,538.06 : x
  2. Step 2: Convert to fraction form
    26,869.65/37,080.87 = 15,538.06/x
  3. Step 3: Cross multiply
    26,869.65x = 37,080.87 × 15,538.06
  4. Step 4: Simplify right side
    26,869.65x = 576,164,782.91
  5. Step 5: Solve for x
    x = 576,164,782.91/26,869.65
  6. Step 6: Final answer
    x = 21,442.96

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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.