Home / 16,980.08-23,432.66-9,528.08

Finding the Fourth Proportional to 16,980.08, 23,432.66 and 9,528.08

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Solution

The fourth proportional to 16,980.08, 23,432.66 and 9,528.08 is: 13,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.08 : 23,432.66 = 9,528.08 : x
  2. Step 2: Convert to fraction form
    16,980.08/23,432.66 = 9,528.08/x
  3. Step 3: Cross multiply
    16,980.08x = 23,432.66 × 9,528.08
  4. Step 4: Simplify right side
    16,980.08x = 223,268,259.09
  5. Step 5: Solve for x
    x = 223,268,259.09/16,980.08
  6. Step 6: Final answer
    x = 13,148.83

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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.