Home / 23,145.32-34,718.07-5,615.13

Finding the Fourth Proportional to 23,145.32, 34,718.07 and 5,615.13

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Solution

The fourth proportional to 23,145.32, 34,718.07 and 5,615.13 is: 8,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.32 : 34,718.07 = 5,615.13 : x
  2. Step 2: Convert to fraction form
    23,145.32/34,718.07 = 5,615.13/x
  3. Step 3: Cross multiply
    23,145.32x = 34,718.07 × 5,615.13
  4. Step 4: Simplify right side
    23,145.32x = 194,946,476.40
  5. Step 5: Solve for x
    x = 194,946,476.40/23,145.32
  6. Step 6: Final answer
    x = 8,422.72

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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.