Home / 22,754.06-33,953.08-20,389.99

Finding the Fourth Proportional to 22,754.06, 33,953.08 and 20,389.99

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Solution

The fourth proportional to 22,754.06, 33,953.08 and 20,389.99 is: 30,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,754.06 : 33,953.08 = 20,389.99 : x
  2. Step 2: Convert to fraction form
    22,754.06/33,953.08 = 20,389.99/x
  3. Step 3: Cross multiply
    22,754.06x = 33,953.08 × 20,389.99
  4. Step 4: Simplify right side
    22,754.06x = 692,302,859.72
  5. Step 5: Solve for x
    x = 692,302,859.72/22,754.06
  6. Step 6: Final answer
    x = 30,425.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.