Home / 18,730.11-25,848.34-10,772.35

Finding the Fourth Proportional to 18,730.11, 25,848.34 and 10,772.35

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Solution

The fourth proportional to 18,730.11, 25,848.34 and 10,772.35 is: 14,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.11 : 25,848.34 = 10,772.35 : x
  2. Step 2: Convert to fraction form
    18,730.11/25,848.34 = 10,772.35/x
  3. Step 3: Cross multiply
    18,730.11x = 25,848.34 × 10,772.35
  4. Step 4: Simplify right side
    18,730.11x = 278,447,236.16
  5. Step 5: Solve for x
    x = 278,447,236.16/18,730.11
  6. Step 6: Final answer
    x = 14,866.29

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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.