Home / 14,127.95-21,198.81-5,810.46

Finding the Fourth Proportional to 14,127.95, 21,198.81 and 5,810.46

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Solution

The fourth proportional to 14,127.95, 21,198.81 and 5,810.46 is: 8,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.95 : 21,198.81 = 5,810.46 : x
  2. Step 2: Convert to fraction form
    14,127.95/21,198.81 = 5,810.46/x
  3. Step 3: Cross multiply
    14,127.95x = 21,198.81 × 5,810.46
  4. Step 4: Simplify right side
    14,127.95x = 123,174,837.55
  5. Step 5: Solve for x
    x = 123,174,837.55/14,127.95
  6. Step 6: Final answer
    x = 8,718.52

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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.