Home / 17,009.20-23,484.14-15,211.08

Finding the Fourth Proportional to 17,009.20, 23,484.14 and 15,211.08

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Solution

The fourth proportional to 17,009.20, 23,484.14 and 15,211.08 is: 21,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.20 : 23,484.14 = 15,211.08 : x
  2. Step 2: Convert to fraction form
    17,009.20/23,484.14 = 15,211.08/x
  3. Step 3: Cross multiply
    17,009.20x = 23,484.14 × 15,211.08
  4. Step 4: Simplify right side
    17,009.20x = 357,219,132.27
  5. Step 5: Solve for x
    x = 357,219,132.27/17,009.20
  6. Step 6: Final answer
    x = 21,001.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.