Home / 22,672.35-31,283.01-13,718.07

Finding the Fourth Proportional to 22,672.35, 31,283.01 and 13,718.07

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Solution

The fourth proportional to 22,672.35, 31,283.01 and 13,718.07 is: 18,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.35 : 31,283.01 = 13,718.07 : x
  2. Step 2: Convert to fraction form
    22,672.35/31,283.01 = 13,718.07/x
  3. Step 3: Cross multiply
    22,672.35x = 31,283.01 × 13,718.07
  4. Step 4: Simplify right side
    22,672.35x = 429,142,520.99
  5. Step 5: Solve for x
    x = 429,142,520.99/22,672.35
  6. Step 6: Final answer
    x = 18,928.01

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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.