Home / 15,925.74-21,987.36-10,262.49

Finding the Fourth Proportional to 15,925.74, 21,987.36 and 10,262.49

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Solution

The fourth proportional to 15,925.74, 21,987.36 and 10,262.49 is: 14,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.74 : 21,987.36 = 10,262.49 : x
  2. Step 2: Convert to fraction form
    15,925.74/21,987.36 = 10,262.49/x
  3. Step 3: Cross multiply
    15,925.74x = 21,987.36 × 10,262.49
  4. Step 4: Simplify right side
    15,925.74x = 225,645,062.13
  5. Step 5: Solve for x
    x = 225,645,062.13/15,925.74
  6. Step 6: Final answer
    x = 14,168.58

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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.