Home / 15,780.22-23,654.32-10,237.10

Finding the Fourth Proportional to 15,780.22, 23,654.32 and 10,237.10

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Solution

The fourth proportional to 15,780.22, 23,654.32 and 10,237.10 is: 15,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.22 : 23,654.32 = 10,237.10 : x
  2. Step 2: Convert to fraction form
    15,780.22/23,654.32 = 10,237.10/x
  3. Step 3: Cross multiply
    15,780.22x = 23,654.32 × 10,237.10
  4. Step 4: Simplify right side
    15,780.22x = 242,151,639.27
  5. Step 5: Solve for x
    x = 242,151,639.27/15,780.22
  6. Step 6: Final answer
    x = 15,345.26

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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.