Home / 13,856.06-19,121.84-7,568.84

Finding the Fourth Proportional to 13,856.06, 19,121.84 and 7,568.84

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Solution

The fourth proportional to 13,856.06, 19,121.84 and 7,568.84 is: 10,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.06 : 19,121.84 = 7,568.84 : x
  2. Step 2: Convert to fraction form
    13,856.06/19,121.84 = 7,568.84/x
  3. Step 3: Cross multiply
    13,856.06x = 19,121.84 × 7,568.84
  4. Step 4: Simplify right side
    13,856.06x = 144,730,185.81
  5. Step 5: Solve for x
    x = 144,730,185.81/13,856.06
  6. Step 6: Final answer
    x = 10,445.26

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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.