Home / 20,588.95-30,883.19-5,006.59

Finding the Fourth Proportional to 20,588.95, 30,883.19 and 5,006.59

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Solution

The fourth proportional to 20,588.95, 30,883.19 and 5,006.59 is: 7,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.95 : 30,883.19 = 5,006.59 : x
  2. Step 2: Convert to fraction form
    20,588.95/30,883.19 = 5,006.59/x
  3. Step 3: Cross multiply
    20,588.95x = 30,883.19 × 5,006.59
  4. Step 4: Simplify right side
    20,588.95x = 154,619,315.81
  5. Step 5: Solve for x
    x = 154,619,315.81/20,588.95
  6. Step 6: Final answer
    x = 7,509.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.