Home / 20,336.98-30,502.32-5,547.08

Finding the Fourth Proportional to 20,336.98, 30,502.32 and 5,547.08

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Solution

The fourth proportional to 20,336.98, 30,502.32 and 5,547.08 is: 8,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.98 : 30,502.32 = 5,547.08 : x
  2. Step 2: Convert to fraction form
    20,336.98/30,502.32 = 5,547.08/x
  3. Step 3: Cross multiply
    20,336.98x = 30,502.32 × 5,547.08
  4. Step 4: Simplify right side
    20,336.98x = 169,198,809.23
  5. Step 5: Solve for x
    x = 169,198,809.23/20,336.98
  6. Step 6: Final answer
    x = 8,319.76

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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.