Home / 26,123.57-36,051.24-15,369.20

Finding the Fourth Proportional to 26,123.57, 36,051.24 and 15,369.20

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Solution

The fourth proportional to 26,123.57, 36,051.24 and 15,369.20 is: 21,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.57 : 36,051.24 = 15,369.20 : x
  2. Step 2: Convert to fraction form
    26,123.57/36,051.24 = 15,369.20/x
  3. Step 3: Cross multiply
    26,123.57x = 36,051.24 × 15,369.20
  4. Step 4: Simplify right side
    26,123.57x = 554,078,717.81
  5. Step 5: Solve for x
    x = 554,078,717.81/26,123.57
  6. Step 6: Final answer
    x = 21,209.92

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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.