Home / 19,113.20-26,371.60-11,150.88

Finding the Fourth Proportional to 19,113.20, 26,371.60 and 11,150.88

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Solution

The fourth proportional to 19,113.20, 26,371.60 and 11,150.88 is: 15,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.20 : 26,371.60 = 11,150.88 : x
  2. Step 2: Convert to fraction form
    19,113.20/26,371.60 = 11,150.88/x
  3. Step 3: Cross multiply
    19,113.20x = 26,371.60 × 11,150.88
  4. Step 4: Simplify right side
    19,113.20x = 294,066,547.01
  5. Step 5: Solve for x
    x = 294,066,547.01/19,113.20
  6. Step 6: Final answer
    x = 15,385.52

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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.