Home / 17,981.52-26,974.74-16,888.02

Finding the Fourth Proportional to 17,981.52, 26,974.74 and 16,888.02

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Solution

The fourth proportional to 17,981.52, 26,974.74 and 16,888.02 is: 25,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.52 : 26,974.74 = 16,888.02 : x
  2. Step 2: Convert to fraction form
    17,981.52/26,974.74 = 16,888.02/x
  3. Step 3: Cross multiply
    17,981.52x = 26,974.74 × 16,888.02
  4. Step 4: Simplify right side
    17,981.52x = 455,549,948.61
  5. Step 5: Solve for x
    x = 455,549,948.61/17,981.52
  6. Step 6: Final answer
    x = 25,334.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.