Home / 22,675.49-31,289.69-13,113.95

Finding the Fourth Proportional to 22,675.49, 31,289.69 and 13,113.95

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Solution

The fourth proportional to 22,675.49, 31,289.69 and 13,113.95 is: 18,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.49 : 31,289.69 = 13,113.95 : x
  2. Step 2: Convert to fraction form
    22,675.49/31,289.69 = 13,113.95/x
  3. Step 3: Cross multiply
    22,675.49x = 31,289.69 × 13,113.95
  4. Step 4: Simplify right side
    22,675.49x = 410,331,482.52
  5. Step 5: Solve for x
    x = 410,331,482.52/22,675.49
  6. Step 6: Final answer
    x = 18,095.81

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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.