Home / 17,570.80-26,356.20-7,180.12

Finding the Fourth Proportional to 17,570.80, 26,356.20 and 7,180.12

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Solution

The fourth proportional to 17,570.80, 26,356.20 and 7,180.12 is: 10,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,570.80 : 26,356.20 = 7,180.12 : x
  2. Step 2: Convert to fraction form
    17,570.80/26,356.20 = 7,180.12/x
  3. Step 3: Cross multiply
    17,570.80x = 26,356.20 × 7,180.12
  4. Step 4: Simplify right side
    17,570.80x = 189,240,678.74
  5. Step 5: Solve for x
    x = 189,240,678.74/17,570.80
  6. Step 6: Final answer
    x = 10,770.18

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1.5x scale

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.