Home / 17,816.76-26,720.28-6,570.72

Finding the Fourth Proportional to 17,816.76, 26,720.28 and 6,570.72

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Solution

The fourth proportional to 17,816.76, 26,720.28 and 6,570.72 is: 9,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.76 : 26,720.28 = 6,570.72 : x
  2. Step 2: Convert to fraction form
    17,816.76/26,720.28 = 6,570.72/x
  3. Step 3: Cross multiply
    17,816.76x = 26,720.28 × 6,570.72
  4. Step 4: Simplify right side
    17,816.76x = 175,571,478.20
  5. Step 5: Solve for x
    x = 175,571,478.20/17,816.76
  6. Step 6: Final answer
    x = 9,854.29

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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.