Home / 20,858.13-31,290.27-6,065.13

Finding the Fourth Proportional to 20,858.13, 31,290.27 and 6,065.13

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Solution

The fourth proportional to 20,858.13, 31,290.27 and 6,065.13 is: 9,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.13 : 31,290.27 = 6,065.13 : x
  2. Step 2: Convert to fraction form
    20,858.13/31,290.27 = 6,065.13/x
  3. Step 3: Cross multiply
    20,858.13x = 31,290.27 × 6,065.13
  4. Step 4: Simplify right side
    20,858.13x = 189,779,555.29
  5. Step 5: Solve for x
    x = 189,779,555.29/20,858.13
  6. Step 6: Final answer
    x = 9,098.59

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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.