Home / 19,363.04-26,722.92-11,407.76

Finding the Fourth Proportional to 19,363.04, 26,722.92 and 11,407.76

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Solution

The fourth proportional to 19,363.04, 26,722.92 and 11,407.76 is: 15,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.04 : 26,722.92 = 11,407.76 : x
  2. Step 2: Convert to fraction form
    19,363.04/26,722.92 = 11,407.76/x
  3. Step 3: Cross multiply
    19,363.04x = 26,722.92 × 11,407.76
  4. Step 4: Simplify right side
    19,363.04x = 304,848,657.86
  5. Step 5: Solve for x
    x = 304,848,657.86/19,363.04
  6. Step 6: Final answer
    x = 15,743.84

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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.