Home / 18,730.12-25,848.32-10,772.34

Finding the Fourth Proportional to 18,730.12, 25,848.32 and 10,772.34

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Solution

The fourth proportional to 18,730.12, 25,848.32 and 10,772.34 is: 14,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.12 : 25,848.32 = 10,772.34 : x
  2. Step 2: Convert to fraction form
    18,730.12/25,848.32 = 10,772.34/x
  3. Step 3: Cross multiply
    18,730.12x = 25,848.32 × 10,772.34
  4. Step 4: Simplify right side
    18,730.12x = 278,446,837.61
  5. Step 5: Solve for x
    x = 278,446,837.61/18,730.12
  6. Step 6: Final answer
    x = 14,866.26

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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.