Home / 15,455.06-23,164.68-7,117.58

Finding the Fourth Proportional to 15,455.06, 23,164.68 and 7,117.58

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Solution

The fourth proportional to 15,455.06, 23,164.68 and 7,117.58 is: 10,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.06 : 23,164.68 = 7,117.58 : x
  2. Step 2: Convert to fraction form
    15,455.06/23,164.68 = 7,117.58/x
  3. Step 3: Cross multiply
    15,455.06x = 23,164.68 × 7,117.58
  4. Step 4: Simplify right side
    15,455.06x = 164,876,463.07
  5. Step 5: Solve for x
    x = 164,876,463.07/15,455.06
  6. Step 6: Final answer
    x = 10,668.12

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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.