Home / 23,137.12-31,912.71-15,969.74

Finding the Fourth Proportional to 23,137.12, 31,912.71 and 15,969.74

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Solution

The fourth proportional to 23,137.12, 31,912.71 and 15,969.74 is: 22,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.12 : 31,912.71 = 15,969.74 : x
  2. Step 2: Convert to fraction form
    23,137.12/31,912.71 = 15,969.74/x
  3. Step 3: Cross multiply
    23,137.12x = 31,912.71 × 15,969.74
  4. Step 4: Simplify right side
    23,137.12x = 509,637,681.40
  5. Step 5: Solve for x
    x = 509,637,681.40/23,137.12
  6. Step 6: Final answer
    x = 22,026.84

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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.