Home / 22,485.50-31,032.61-18,701.99

Finding the Fourth Proportional to 22,485.50, 31,032.61 and 18,701.99

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Solution

The fourth proportional to 22,485.50, 31,032.61 and 18,701.99 is: 25,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.50 : 31,032.61 = 18,701.99 : x
  2. Step 2: Convert to fraction form
    22,485.50/31,032.61 = 18,701.99/x
  3. Step 3: Cross multiply
    22,485.50x = 31,032.61 × 18,701.99
  4. Step 4: Simplify right side
    22,485.50x = 580,371,359.98
  5. Step 5: Solve for x
    x = 580,371,359.98/22,485.50
  6. Step 6: Final answer
    x = 25,810.92

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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.