Home / 26,325.60-36,329.76-15,716.16

Finding the Fourth Proportional to 26,325.60, 36,329.76 and 15,716.16

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Solution

The fourth proportional to 26,325.60, 36,329.76 and 15,716.16 is: 21,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,325.60 : 36,329.76 = 15,716.16 : x
  2. Step 2: Convert to fraction form
    26,325.60/36,329.76 = 15,716.16/x
  3. Step 3: Cross multiply
    26,325.60x = 36,329.76 × 15,716.16
  4. Step 4: Simplify right side
    26,325.60x = 570,964,320.92
  5. Step 5: Solve for x
    x = 570,964,320.92/26,325.60
  6. Step 6: Final answer
    x = 21,688.56

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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.