Home / 23,115.10-34,673.45-7,320.30

Finding the Fourth Proportional to 23,115.10, 34,673.45 and 7,320.30

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Solution

The fourth proportional to 23,115.10, 34,673.45 and 7,320.30 is: 10,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.10 : 34,673.45 = 7,320.30 : x
  2. Step 2: Convert to fraction form
    23,115.10/34,673.45 = 7,320.30/x
  3. Step 3: Cross multiply
    23,115.10x = 34,673.45 × 7,320.30
  4. Step 4: Simplify right side
    23,115.10x = 253,820,056.04
  5. Step 5: Solve for x
    x = 253,820,056.04/23,115.10
  6. Step 6: Final answer
    x = 10,980.70

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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.