Home / 19,278.40-26,597.96-11,322.60

Finding the Fourth Proportional to 19,278.40, 26,597.96 and 11,322.60

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Solution

The fourth proportional to 19,278.40, 26,597.96 and 11,322.60 is: 15,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.40 : 26,597.96 = 11,322.60 : x
  2. Step 2: Convert to fraction form
    19,278.40/26,597.96 = 11,322.60/x
  3. Step 3: Cross multiply
    19,278.40x = 26,597.96 × 11,322.60
  4. Step 4: Simplify right side
    19,278.40x = 301,158,061.90
  5. Step 5: Solve for x
    x = 301,158,061.90/19,278.40
  6. Step 6: Final answer
    x = 15,621.53

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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.