Home / 22,703.87-31,332.75-12,634.56

Finding the Fourth Proportional to 22,703.87, 31,332.75 and 12,634.56

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Solution

The fourth proportional to 22,703.87, 31,332.75 and 12,634.56 is: 17,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.87 : 31,332.75 = 12,634.56 : x
  2. Step 2: Convert to fraction form
    22,703.87/31,332.75 = 12,634.56/x
  3. Step 3: Cross multiply
    22,703.87x = 31,332.75 × 12,634.56
  4. Step 4: Simplify right side
    22,703.87x = 395,875,509.84
  5. Step 5: Solve for x
    x = 395,875,509.84/22,703.87
  6. Step 6: Final answer
    x = 17,436.48

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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.