Home / 18,547.92-25,587.52-16,425.60

Finding the Fourth Proportional to 18,547.92, 25,587.52 and 16,425.60

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Solution

The fourth proportional to 18,547.92, 25,587.52 and 16,425.60 is: 22,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.92 : 25,587.52 = 16,425.60 : x
  2. Step 2: Convert to fraction form
    18,547.92/25,587.52 = 16,425.60/x
  3. Step 3: Cross multiply
    18,547.92x = 25,587.52 × 16,425.60
  4. Step 4: Simplify right side
    18,547.92x = 420,290,368.51
  5. Step 5: Solve for x
    x = 420,290,368.51/18,547.92
  6. Step 6: Final answer
    x = 22,659.70

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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.