Home / 17,928.12-24,741.72-9,970.50

Finding the Fourth Proportional to 17,928.12, 24,741.72 and 9,970.50

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Solution

The fourth proportional to 17,928.12, 24,741.72 and 9,970.50 is: 13,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.12 : 24,741.72 = 9,970.50 : x
  2. Step 2: Convert to fraction form
    17,928.12/24,741.72 = 9,970.50/x
  3. Step 3: Cross multiply
    17,928.12x = 24,741.72 × 9,970.50
  4. Step 4: Simplify right side
    17,928.12x = 246,687,319.26
  5. Step 5: Solve for x
    x = 246,687,319.26/17,928.12
  6. Step 6: Final answer
    x = 13,759.80

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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.