Home / 13,710.32-20,565.51-3,322.07

Finding the Fourth Proportional to 13,710.32, 20,565.51 and 3,322.07

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Solution

The fourth proportional to 13,710.32, 20,565.51 and 3,322.07 is: 4,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.32 : 20,565.51 = 3,322.07 : x
  2. Step 2: Convert to fraction form
    13,710.32/20,565.51 = 3,322.07/x
  3. Step 3: Cross multiply
    13,710.32x = 20,565.51 × 3,322.07
  4. Step 4: Simplify right side
    13,710.32x = 68,320,063.81
  5. Step 5: Solve for x
    x = 68,320,063.81/13,710.32
  6. Step 6: Final answer
    x = 4,983.11

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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.