Home / 23,121.24-31,907.22-12,510.84

Finding the Fourth Proportional to 23,121.24, 31,907.22 and 12,510.84

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Solution

The fourth proportional to 23,121.24, 31,907.22 and 12,510.84 is: 17,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.24 : 31,907.22 = 12,510.84 : x
  2. Step 2: Convert to fraction form
    23,121.24/31,907.22 = 12,510.84/x
  3. Step 3: Cross multiply
    23,121.24x = 31,907.22 × 12,510.84
  4. Step 4: Simplify right side
    23,121.24x = 399,186,124.26
  5. Step 5: Solve for x
    x = 399,186,124.26/23,121.24
  6. Step 6: Final answer
    x = 17,264.91

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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.