Home / 14,638.07-20,200.57-7,923.76

Finding the Fourth Proportional to 14,638.07, 20,200.57 and 7,923.76

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Solution

The fourth proportional to 14,638.07, 20,200.57 and 7,923.76 is: 10,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.07 : 20,200.57 = 7,923.76 : x
  2. Step 2: Convert to fraction form
    14,638.07/20,200.57 = 7,923.76/x
  3. Step 3: Cross multiply
    14,638.07x = 20,200.57 × 7,923.76
  4. Step 4: Simplify right side
    14,638.07x = 160,064,398.23
  5. Step 5: Solve for x
    x = 160,064,398.23/14,638.07
  6. Step 6: Final answer
    x = 10,934.80

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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.