Home / 15,577.20-23,365.80-9,356.40

Finding the Fourth Proportional to 15,577.20, 23,365.80 and 9,356.40

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Solution

The fourth proportional to 15,577.20, 23,365.80 and 9,356.40 is: 14,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.20 : 23,365.80 = 9,356.40 : x
  2. Step 2: Convert to fraction form
    15,577.20/23,365.80 = 9,356.40/x
  3. Step 3: Cross multiply
    15,577.20x = 23,365.80 × 9,356.40
  4. Step 4: Simplify right side
    15,577.20x = 218,619,771.12
  5. Step 5: Solve for x
    x = 218,619,771.12/15,577.20
  6. Step 6: Final answer
    x = 14,034.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.