Home / 23,171.19-31,975.95-12,560.59

Finding the Fourth Proportional to 23,171.19, 31,975.95 and 12,560.59

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Solution

The fourth proportional to 23,171.19, 31,975.95 and 12,560.59 is: 17,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.19 : 31,975.95 = 12,560.59 : x
  2. Step 2: Convert to fraction form
    23,171.19/31,975.95 = 12,560.59/x
  3. Step 3: Cross multiply
    23,171.19x = 31,975.95 × 12,560.59
  4. Step 4: Simplify right side
    23,171.19x = 401,636,797.81
  5. Step 5: Solve for x
    x = 401,636,797.81/23,171.19
  6. Step 6: Final answer
    x = 17,333.46

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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.