Home / 19,552.60-26,981.34-11,168.92

Finding the Fourth Proportional to 19,552.60, 26,981.34 and 11,168.92

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Solution

The fourth proportional to 19,552.60, 26,981.34 and 11,168.92 is: 15,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.60 : 26,981.34 = 11,168.92 : x
  2. Step 2: Convert to fraction form
    19,552.60/26,981.34 = 11,168.92/x
  3. Step 3: Cross multiply
    19,552.60x = 26,981.34 × 11,168.92
  4. Step 4: Simplify right side
    19,552.60x = 301,352,427.95
  5. Step 5: Solve for x
    x = 301,352,427.95/19,552.60
  6. Step 6: Final answer
    x = 15,412.40

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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.