Home / 18,470.12-25,482.42-10,402.52

Finding the Fourth Proportional to 18,470.12, 25,482.42 and 10,402.52

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Solution

The fourth proportional to 18,470.12, 25,482.42 and 10,402.52 is: 14,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.12 : 25,482.42 = 10,402.52 : x
  2. Step 2: Convert to fraction form
    18,470.12/25,482.42 = 10,402.52/x
  3. Step 3: Cross multiply
    18,470.12x = 25,482.42 × 10,402.52
  4. Step 4: Simplify right side
    18,470.12x = 265,081,256.29
  5. Step 5: Solve for x
    x = 265,081,256.29/18,470.12
  6. Step 6: Final answer
    x = 14,351.90

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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.