Home / 19,360.20-26,724.30-11,402.76

Finding the Fourth Proportional to 19,360.20, 26,724.30 and 11,402.76

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Solution

The fourth proportional to 19,360.20, 26,724.30 and 11,402.76 is: 15,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.20 : 26,724.30 = 11,402.76 : x
  2. Step 2: Convert to fraction form
    19,360.20/26,724.30 = 11,402.76/x
  3. Step 3: Cross multiply
    19,360.20x = 26,724.30 × 11,402.76
  4. Step 4: Simplify right side
    19,360.20x = 304,730,779.07
  5. Step 5: Solve for x
    x = 304,730,779.07/19,360.20
  6. Step 6: Final answer
    x = 15,740.06

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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.