Home / 22,584.22-31,171.40-15,030.87

Finding the Fourth Proportional to 22,584.22, 31,171.40 and 15,030.87

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Solution

The fourth proportional to 22,584.22, 31,171.40 and 15,030.87 is: 20,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,584.22 : 31,171.40 = 15,030.87 : x
  2. Step 2: Convert to fraction form
    22,584.22/31,171.40 = 15,030.87/x
  3. Step 3: Cross multiply
    22,584.22x = 31,171.40 × 15,030.87
  4. Step 4: Simplify right side
    22,584.22x = 468,533,261.12
  5. Step 5: Solve for x
    x = 468,533,261.12/22,584.22
  6. Step 6: Final answer
    x = 20,746.05

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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.