Home / 15,968.86-22,036.72-10,003.81

Finding the Fourth Proportional to 15,968.86, 22,036.72 and 10,003.81

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Solution

The fourth proportional to 15,968.86, 22,036.72 and 10,003.81 is: 13,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.86 : 22,036.72 = 10,003.81 : x
  2. Step 2: Convert to fraction form
    15,968.86/22,036.72 = 10,003.81/x
  3. Step 3: Cross multiply
    15,968.86x = 22,036.72 × 10,003.81
  4. Step 4: Simplify right side
    15,968.86x = 220,451,159.90
  5. Step 5: Solve for x
    x = 220,451,159.90/15,968.86
  6. Step 6: Final answer
    x = 13,805.07

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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.