Home / 23,320.65-32,182.38-12,710.28

Finding the Fourth Proportional to 23,320.65, 32,182.38 and 12,710.28

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Solution

The fourth proportional to 23,320.65, 32,182.38 and 12,710.28 is: 17,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.65 : 32,182.38 = 12,710.28 : x
  2. Step 2: Convert to fraction form
    23,320.65/32,182.38 = 12,710.28/x
  3. Step 3: Cross multiply
    23,320.65x = 32,182.38 × 12,710.28
  4. Step 4: Simplify right side
    23,320.65x = 409,047,060.87
  5. Step 5: Solve for x
    x = 409,047,060.87/23,320.65
  6. Step 6: Final answer
    x = 17,540.12

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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.