Home / 13,848.68-19,112.81-7,799.10

Finding the Fourth Proportional to 13,848.68, 19,112.81 and 7,799.10

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Solution

The fourth proportional to 13,848.68, 19,112.81 and 7,799.10 is: 10,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.68 : 19,112.81 = 7,799.10 : x
  2. Step 2: Convert to fraction form
    13,848.68/19,112.81 = 7,799.10/x
  3. Step 3: Cross multiply
    13,848.68x = 19,112.81 × 7,799.10
  4. Step 4: Simplify right side
    13,848.68x = 149,062,677.48
  5. Step 5: Solve for x
    x = 149,062,677.48/13,848.68
  6. Step 6: Final answer
    x = 10,763.68

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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.