Home / 23,139.75-34,681.83-10,642.57

Finding the Fourth Proportional to 23,139.75, 34,681.83 and 10,642.57

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Solution

The fourth proportional to 23,139.75, 34,681.83 and 10,642.57 is: 15,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.75 : 34,681.83 = 10,642.57 : x
  2. Step 2: Convert to fraction form
    23,139.75/34,681.83 = 10,642.57/x
  3. Step 3: Cross multiply
    23,139.75x = 34,681.83 × 10,642.57
  4. Step 4: Simplify right side
    23,139.75x = 369,103,803.50
  5. Step 5: Solve for x
    x = 369,103,803.50/23,139.75
  6. Step 6: Final answer
    x = 15,951.07

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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.