Home / 19,119.28-26,388.82-10,624.32

Finding the Fourth Proportional to 19,119.28, 26,388.82 and 10,624.32

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Solution

The fourth proportional to 19,119.28, 26,388.82 and 10,624.32 is: 14,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.28 : 26,388.82 = 10,624.32 : x
  2. Step 2: Convert to fraction form
    19,119.28/26,388.82 = 10,624.32/x
  3. Step 3: Cross multiply
    19,119.28x = 26,388.82 × 10,624.32
  4. Step 4: Simplify right side
    19,119.28x = 280,363,268.10
  5. Step 5: Solve for x
    x = 280,363,268.10/19,119.28
  6. Step 6: Final answer
    x = 14,663.90

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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.