Home / 13,255.36-19,870.68-4,484.17

Finding the Fourth Proportional to 13,255.36, 19,870.68 and 4,484.17

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Solution

The fourth proportional to 13,255.36, 19,870.68 and 4,484.17 is: 6,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.36 : 19,870.68 = 4,484.17 : x
  2. Step 2: Convert to fraction form
    13,255.36/19,870.68 = 4,484.17/x
  3. Step 3: Cross multiply
    13,255.36x = 19,870.68 × 4,484.17
  4. Step 4: Simplify right side
    13,255.36x = 89,103,507.14
  5. Step 5: Solve for x
    x = 89,103,507.14/13,255.36
  6. Step 6: Final answer
    x = 6,722.07

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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.