Home / 22,574.99-31,143.12-14,619.77

Finding the Fourth Proportional to 22,574.99, 31,143.12 and 14,619.77

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Solution

The fourth proportional to 22,574.99, 31,143.12 and 14,619.77 is: 20,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.99 : 31,143.12 = 14,619.77 : x
  2. Step 2: Convert to fraction form
    22,574.99/31,143.12 = 14,619.77/x
  3. Step 3: Cross multiply
    22,574.99x = 31,143.12 × 14,619.77
  4. Step 4: Simplify right side
    22,574.99x = 455,305,095.77
  5. Step 5: Solve for x
    x = 455,305,095.77/22,574.99
  6. Step 6: Final answer
    x = 20,168.57

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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.