Home / 31,583.14-43,565.52-18,827.95

Finding the Fourth Proportional to 31,583.14, 43,565.52 and 18,827.95

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Solution

The fourth proportional to 31,583.14, 43,565.52 and 18,827.95 is: 25,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.14 : 43,565.52 = 18,827.95 : x
  2. Step 2: Convert to fraction form
    31,583.14/43,565.52 = 18,827.95/x
  3. Step 3: Cross multiply
    31,583.14x = 43,565.52 × 18,827.95
  4. Step 4: Simplify right side
    31,583.14x = 820,249,432.28
  5. Step 5: Solve for x
    x = 820,249,432.28/31,583.14
  6. Step 6: Final answer
    x = 25,971.12

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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.