Home / 15,434.06-23,146.29-5,572.05

Finding the Fourth Proportional to 15,434.06, 23,146.29 and 5,572.05

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Solution

The fourth proportional to 15,434.06, 23,146.29 and 5,572.05 is: 8,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.06 : 23,146.29 = 5,572.05 : x
  2. Step 2: Convert to fraction form
    15,434.06/23,146.29 = 5,572.05/x
  3. Step 3: Cross multiply
    15,434.06x = 23,146.29 × 5,572.05
  4. Step 4: Simplify right side
    15,434.06x = 128,972,285.19
  5. Step 5: Solve for x
    x = 128,972,285.19/15,434.06
  6. Step 6: Final answer
    x = 8,356.34

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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.