Home / 15,809.78-23,714.70-10,864.40

Finding the Fourth Proportional to 15,809.78, 23,714.70 and 10,864.40

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Solution

The fourth proportional to 15,809.78, 23,714.70 and 10,864.40 is: 16,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.78 : 23,714.70 = 10,864.40 : x
  2. Step 2: Convert to fraction form
    15,809.78/23,714.70 = 10,864.40/x
  3. Step 3: Cross multiply
    15,809.78x = 23,714.70 × 10,864.40
  4. Step 4: Simplify right side
    15,809.78x = 257,645,986.68
  5. Step 5: Solve for x
    x = 257,645,986.68/15,809.78
  6. Step 6: Final answer
    x = 16,296.62

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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.