Home / 15,928.25-21,953.89-10,883.71

Finding the Fourth Proportional to 15,928.25, 21,953.89 and 10,883.71

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Solution

The fourth proportional to 15,928.25, 21,953.89 and 10,883.71 is: 15,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.25 : 21,953.89 = 10,883.71 : x
  2. Step 2: Convert to fraction form
    15,928.25/21,953.89 = 10,883.71/x
  3. Step 3: Cross multiply
    15,928.25x = 21,953.89 × 10,883.71
  4. Step 4: Simplify right side
    15,928.25x = 238,939,874.86
  5. Step 5: Solve for x
    x = 238,939,874.86/15,928.25
  6. Step 6: Final answer
    x = 15,001.01

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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.