Home / 26,642.38-36,762.29-15,309.68

Finding the Fourth Proportional to 26,642.38, 36,762.29 and 15,309.68

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Solution

The fourth proportional to 26,642.38, 36,762.29 and 15,309.68 is: 21,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.38 : 36,762.29 = 15,309.68 : x
  2. Step 2: Convert to fraction form
    26,642.38/36,762.29 = 15,309.68/x
  3. Step 3: Cross multiply
    26,642.38x = 36,762.29 × 15,309.68
  4. Step 4: Simplify right side
    26,642.38x = 562,818,895.97
  5. Step 5: Solve for x
    x = 562,818,895.97/26,642.38
  6. Step 6: Final answer
    x = 21,124.95

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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.