Home / 19,061.28-26,298.36-11,101.68

Finding the Fourth Proportional to 19,061.28, 26,298.36 and 11,101.68

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Solution

The fourth proportional to 19,061.28, 26,298.36 and 11,101.68 is: 15,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.28 : 26,298.36 = 11,101.68 : x
  2. Step 2: Convert to fraction form
    19,061.28/26,298.36 = 11,101.68/x
  3. Step 3: Cross multiply
    19,061.28x = 26,298.36 × 11,101.68
  4. Step 4: Simplify right side
    19,061.28x = 291,955,977.24
  5. Step 5: Solve for x
    x = 291,955,977.24/19,061.28
  6. Step 6: Final answer
    x = 15,316.70

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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.