Home / 15,458.18-23,191.60-5,077.22

Finding the Fourth Proportional to 15,458.18, 23,191.60 and 5,077.22

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Solution

The fourth proportional to 15,458.18, 23,191.60 and 5,077.22 is: 7,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.18 : 23,191.60 = 5,077.22 : x
  2. Step 2: Convert to fraction form
    15,458.18/23,191.60 = 5,077.22/x
  3. Step 3: Cross multiply
    15,458.18x = 23,191.60 × 5,077.22
  4. Step 4: Simplify right side
    15,458.18x = 117,748,855.35
  5. Step 5: Solve for x
    x = 117,748,855.35/15,458.18
  6. Step 6: Final answer
    x = 7,617.25

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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.