Home / 44,235.20-66,352.80-14,657.60

Finding the Fourth Proportional to 44,235.20, 66,352.80 and 14,657.60

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Solution

The fourth proportional to 44,235.20, 66,352.80 and 14,657.60 is: 21,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,235.20 : 66,352.80 = 14,657.60 : x
  2. Step 2: Convert to fraction form
    44,235.20/66,352.80 = 14,657.60/x
  3. Step 3: Cross multiply
    44,235.20x = 66,352.80 × 14,657.60
  4. Step 4: Simplify right side
    44,235.20x = 972,572,801.28
  5. Step 5: Solve for x
    x = 972,572,801.28/44,235.20
  6. Step 6: Final answer
    x = 21,986.40

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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.