Home / 16,970.12-25,445.52-6,972.02

Finding the Fourth Proportional to 16,970.12, 25,445.52 and 6,972.02

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Solution

The fourth proportional to 16,970.12, 25,445.52 and 6,972.02 is: 10,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.12 : 25,445.52 = 6,972.02 : x
  2. Step 2: Convert to fraction form
    16,970.12/25,445.52 = 6,972.02/x
  3. Step 3: Cross multiply
    16,970.12x = 25,445.52 × 6,972.02
  4. Step 4: Simplify right side
    16,970.12x = 177,406,674.35
  5. Step 5: Solve for x
    x = 177,406,674.35/16,970.12
  6. Step 6: Final answer
    x = 10,454.06

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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.