Home / 26,471.31-36,531.59-15,860.71

Finding the Fourth Proportional to 26,471.31, 36,531.59 and 15,860.71

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Solution

The fourth proportional to 26,471.31, 36,531.59 and 15,860.71 is: 21,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.31 : 36,531.59 = 15,860.71 : x
  2. Step 2: Convert to fraction form
    26,471.31/36,531.59 = 15,860.71/x
  3. Step 3: Cross multiply
    26,471.31x = 36,531.59 × 15,860.71
  4. Step 4: Simplify right side
    26,471.31x = 579,416,994.48
  5. Step 5: Solve for x
    x = 579,416,994.48/26,471.31
  6. Step 6: Final answer
    x = 21,888.49

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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.