Home / 18,967.87-26,176.10-10,470.12

Finding the Fourth Proportional to 18,967.87, 26,176.10 and 10,470.12

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Solution

The fourth proportional to 18,967.87, 26,176.10 and 10,470.12 is: 14,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.87 : 26,176.10 = 10,470.12 : x
  2. Step 2: Convert to fraction form
    18,967.87/26,176.10 = 10,470.12/x
  3. Step 3: Cross multiply
    18,967.87x = 26,176.10 × 10,470.12
  4. Step 4: Simplify right side
    18,967.87x = 274,066,908.13
  5. Step 5: Solve for x
    x = 274,066,908.13/18,967.87
  6. Step 6: Final answer
    x = 14,449.01

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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.