Home / 13,510.89-20,268.36-4,744.26

Finding the Fourth Proportional to 13,510.89, 20,268.36 and 4,744.26

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Solution

The fourth proportional to 13,510.89, 20,268.36 and 4,744.26 is: 7,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.89 : 20,268.36 = 4,744.26 : x
  2. Step 2: Convert to fraction form
    13,510.89/20,268.36 = 4,744.26/x
  3. Step 3: Cross multiply
    13,510.89x = 20,268.36 × 4,744.26
  4. Step 4: Simplify right side
    13,510.89x = 96,158,369.61
  5. Step 5: Solve for x
    x = 96,158,369.61/13,510.89
  6. Step 6: Final answer
    x = 7,117.10

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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.