Home / 26,167.65-36,120.63-15,557.23

Finding the Fourth Proportional to 26,167.65, 36,120.63 and 15,557.23

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Solution

The fourth proportional to 26,167.65, 36,120.63 and 15,557.23 is: 21,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,167.65 : 36,120.63 = 15,557.23 : x
  2. Step 2: Convert to fraction form
    26,167.65/36,120.63 = 15,557.23/x
  3. Step 3: Cross multiply
    26,167.65x = 36,120.63 × 15,557.23
  4. Step 4: Simplify right side
    26,167.65x = 561,936,948.65
  5. Step 5: Solve for x
    x = 561,936,948.65/26,167.65
  6. Step 6: Final answer
    x = 21,474.49

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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.