Home / 26,479.31-36,544.69-15,301.31

Finding the Fourth Proportional to 26,479.31, 36,544.69 and 15,301.31

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Solution

The fourth proportional to 26,479.31, 36,544.69 and 15,301.31 is: 21,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.31 : 36,544.69 = 15,301.31 : x
  2. Step 2: Convert to fraction form
    26,479.31/36,544.69 = 15,301.31/x
  3. Step 3: Cross multiply
    26,479.31x = 36,544.69 × 15,301.31
  4. Step 4: Simplify right side
    26,479.31x = 559,181,779.29
  5. Step 5: Solve for x
    x = 559,181,779.29/26,479.31
  6. Step 6: Final answer
    x = 21,117.68

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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.