Home / 13,700.68-18,907.02-7,568.56

Finding the Fourth Proportional to 13,700.68, 18,907.02 and 7,568.56

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Solution

The fourth proportional to 13,700.68, 18,907.02 and 7,568.56 is: 10,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.68 : 18,907.02 = 7,568.56 : x
  2. Step 2: Convert to fraction form
    13,700.68/18,907.02 = 7,568.56/x
  3. Step 3: Cross multiply
    13,700.68x = 18,907.02 × 7,568.56
  4. Step 4: Simplify right side
    13,700.68x = 143,098,915.29
  5. Step 5: Solve for x
    x = 143,098,915.29/13,700.68
  6. Step 6: Final answer
    x = 10,444.66

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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.