Home / 15,934.88-21,995.15-10,897.18

Finding the Fourth Proportional to 15,934.88, 21,995.15 and 10,897.18

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Solution

The fourth proportional to 15,934.88, 21,995.15 and 10,897.18 is: 15,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,934.88 : 21,995.15 = 10,897.18 : x
  2. Step 2: Convert to fraction form
    15,934.88/21,995.15 = 10,897.18/x
  3. Step 3: Cross multiply
    15,934.88x = 21,995.15 × 10,897.18
  4. Step 4: Simplify right side
    15,934.88x = 239,685,122.93
  5. Step 5: Solve for x
    x = 239,685,122.93/15,934.88
  6. Step 6: Final answer
    x = 15,041.54

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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.