Home / 19,479.15-26,882.01-10,981.59

Finding the Fourth Proportional to 19,479.15, 26,882.01 and 10,981.59

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Solution

The fourth proportional to 19,479.15, 26,882.01 and 10,981.59 is: 15,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.15 : 26,882.01 = 10,981.59 : x
  2. Step 2: Convert to fraction form
    19,479.15/26,882.01 = 10,981.59/x
  3. Step 3: Cross multiply
    19,479.15x = 26,882.01 × 10,981.59
  4. Step 4: Simplify right side
    19,479.15x = 295,207,111.39
  5. Step 5: Solve for x
    x = 295,207,111.39/19,479.15
  6. Step 6: Final answer
    x = 15,155.03

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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.