Home / 19,867.28-27,416.20-10,914.22

Finding the Fourth Proportional to 19,867.28, 27,416.20 and 10,914.22

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Solution

The fourth proportional to 19,867.28, 27,416.20 and 10,914.22 is: 15,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.28 : 27,416.20 = 10,914.22 : x
  2. Step 2: Convert to fraction form
    19,867.28/27,416.20 = 10,914.22/x
  3. Step 3: Cross multiply
    19,867.28x = 27,416.20 × 10,914.22
  4. Step 4: Simplify right side
    19,867.28x = 299,226,246.71
  5. Step 5: Solve for x
    x = 299,226,246.71/19,867.28
  6. Step 6: Final answer
    x = 15,061.26

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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.