Home / 13,724.86-20,587.44-4,364.68

Finding the Fourth Proportional to 13,724.86, 20,587.44 and 4,364.68

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Solution

The fourth proportional to 13,724.86, 20,587.44 and 4,364.68 is: 6,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.86 : 20,587.44 = 4,364.68 : x
  2. Step 2: Convert to fraction form
    13,724.86/20,587.44 = 4,364.68/x
  3. Step 3: Cross multiply
    13,724.86x = 20,587.44 × 4,364.68
  4. Step 4: Simplify right side
    13,724.86x = 89,857,587.62
  5. Step 5: Solve for x
    x = 89,857,587.62/13,724.86
  6. Step 6: Final answer
    x = 6,547.07

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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.