Home / 23,538.08-32,483.76-12,928.16

Finding the Fourth Proportional to 23,538.08, 32,483.76 and 12,928.16

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Solution

The fourth proportional to 23,538.08, 32,483.76 and 12,928.16 is: 17,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,538.08 : 32,483.76 = 12,928.16 : x
  2. Step 2: Convert to fraction form
    23,538.08/32,483.76 = 12,928.16/x
  3. Step 3: Cross multiply
    23,538.08x = 32,483.76 × 12,928.16
  4. Step 4: Simplify right side
    23,538.08x = 419,955,246.68
  5. Step 5: Solve for x
    x = 419,955,246.68/23,538.08
  6. Step 6: Final answer
    x = 17,841.53

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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.