Home / 22,799.90-31,465.44-12,730.32

Finding the Fourth Proportional to 22,799.90, 31,465.44 and 12,730.32

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Solution

The fourth proportional to 22,799.90, 31,465.44 and 12,730.32 is: 17,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,799.90 : 31,465.44 = 12,730.32 : x
  2. Step 2: Convert to fraction form
    22,799.90/31,465.44 = 12,730.32/x
  3. Step 3: Cross multiply
    22,799.90x = 31,465.44 × 12,730.32
  4. Step 4: Simplify right side
    22,799.90x = 400,565,120.14
  5. Step 5: Solve for x
    x = 400,565,120.14/22,799.90
  6. Step 6: Final answer
    x = 17,568.72

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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.