Home / 17,890.16-26,837.08-4,742.53

Finding the Fourth Proportional to 17,890.16, 26,837.08 and 4,742.53

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Solution

The fourth proportional to 17,890.16, 26,837.08 and 4,742.53 is: 7,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.16 : 26,837.08 = 4,742.53 : x
  2. Step 2: Convert to fraction form
    17,890.16/26,837.08 = 4,742.53/x
  3. Step 3: Cross multiply
    17,890.16x = 26,837.08 × 4,742.53
  4. Step 4: Simplify right side
    17,890.16x = 127,275,657.01
  5. Step 5: Solve for x
    x = 127,275,657.01/17,890.16
  6. Step 6: Final answer
    x = 7,114.28

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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.