Home / 22,875.20-34,315.32-7,289.12

Finding the Fourth Proportional to 22,875.20, 34,315.32 and 7,289.12

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Solution

The fourth proportional to 22,875.20, 34,315.32 and 7,289.12 is: 10,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,875.20 : 34,315.32 = 7,289.12 : x
  2. Step 2: Convert to fraction form
    22,875.20/34,315.32 = 7,289.12/x
  3. Step 3: Cross multiply
    22,875.20x = 34,315.32 × 7,289.12
  4. Step 4: Simplify right side
    22,875.20x = 250,128,485.32
  5. Step 5: Solve for x
    x = 250,128,485.32/22,875.20
  6. Step 6: Final answer
    x = 10,934.48

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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.