Home / 14,125.95-21,195.81-5,808.47

Finding the Fourth Proportional to 14,125.95, 21,195.81 and 5,808.47

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Solution

The fourth proportional to 14,125.95, 21,195.81 and 5,808.47 is: 8,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.95 : 21,195.81 = 5,808.47 : x
  2. Step 2: Convert to fraction form
    14,125.95/21,195.81 = 5,808.47/x
  3. Step 3: Cross multiply
    14,125.95x = 21,195.81 × 5,808.47
  4. Step 4: Simplify right side
    14,125.95x = 123,115,120.53
  5. Step 5: Solve for x
    x = 123,115,120.53/14,125.95
  6. Step 6: Final answer
    x = 8,715.53

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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.