Home / 13,886.80-19,164.26-7,599.16

Finding the Fourth Proportional to 13,886.80, 19,164.26 and 7,599.16

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Solution

The fourth proportional to 13,886.80, 19,164.26 and 7,599.16 is: 10,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.80 : 19,164.26 = 7,599.16 : x
  2. Step 2: Convert to fraction form
    13,886.80/19,164.26 = 7,599.16/x
  3. Step 3: Cross multiply
    13,886.80x = 19,164.26 × 7,599.16
  4. Step 4: Simplify right side
    13,886.80x = 145,632,278.02
  5. Step 5: Solve for x
    x = 145,632,278.02/13,886.80
  6. Step 6: Final answer
    x = 10,487.10

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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.