Home / 15,155.36-22,708.32-9,299.60

Finding the Fourth Proportional to 15,155.36, 22,708.32 and 9,299.60

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Solution

The fourth proportional to 15,155.36, 22,708.32 and 9,299.60 is: 13,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.36 : 22,708.32 = 9,299.60 : x
  2. Step 2: Convert to fraction form
    15,155.36/22,708.32 = 9,299.60/x
  3. Step 3: Cross multiply
    15,155.36x = 22,708.32 × 9,299.60
  4. Step 4: Simplify right side
    15,155.36x = 211,178,292.67
  5. Step 5: Solve for x
    x = 211,178,292.67/15,155.36
  6. Step 6: Final answer
    x = 13,934.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.