Home / 15,864.14-21,882.59-10,206.26

Finding the Fourth Proportional to 15,864.14, 21,882.59 and 10,206.26

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Solution

The fourth proportional to 15,864.14, 21,882.59 and 10,206.26 is: 14,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.14 : 21,882.59 = 10,206.26 : x
  2. Step 2: Convert to fraction form
    15,864.14/21,882.59 = 10,206.26/x
  3. Step 3: Cross multiply
    15,864.14x = 21,882.59 × 10,206.26
  4. Step 4: Simplify right side
    15,864.14x = 223,339,242.57
  5. Step 5: Solve for x
    x = 223,339,242.57/15,864.14
  6. Step 6: Final answer
    x = 14,078.24

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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.