Home / 13,886.79-19,164.22-7,599.16

Finding the Fourth Proportional to 13,886.79, 19,164.22 and 7,599.16

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Solution

The fourth proportional to 13,886.79, 19,164.22 and 7,599.16 is: 10,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.79 : 19,164.22 = 7,599.16 : x
  2. Step 2: Convert to fraction form
    13,886.79/19,164.22 = 7,599.16/x
  3. Step 3: Cross multiply
    13,886.79x = 19,164.22 × 7,599.16
  4. Step 4: Simplify right side
    13,886.79x = 145,631,974.06
  5. Step 5: Solve for x
    x = 145,631,974.06/13,886.79
  6. Step 6: Final answer
    x = 10,487.09

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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.