Home / 30,083.68-41,510.64-18,897.76

Finding the Fourth Proportional to 30,083.68, 41,510.64 and 18,897.76

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Solution

The fourth proportional to 30,083.68, 41,510.64 and 18,897.76 is: 26,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.68 : 41,510.64 = 18,897.76 : x
  2. Step 2: Convert to fraction form
    30,083.68/41,510.64 = 18,897.76/x
  3. Step 3: Cross multiply
    30,083.68x = 41,510.64 × 18,897.76
  4. Step 4: Simplify right side
    30,083.68x = 784,458,112.17
  5. Step 5: Solve for x
    x = 784,458,112.17/30,083.68
  6. Step 6: Final answer
    x = 26,075.87

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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.