Home / 27,436.62-37,860.30-15,501

Finding the Fourth Proportional to 27,436.62, 37,860.30 and 15,501

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Solution

The fourth proportional to 27,436.62, 37,860.30 and 15,501 is: 21,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.62 : 37,860.30 = 15,501 : x
  2. Step 2: Convert to fraction form
    27,436.62/37,860.30 = 15,501/x
  3. Step 3: Cross multiply
    27,436.62x = 37,860.30 × 15,501
  4. Step 4: Simplify right side
    27,436.62x = 586,872,510.30
  5. Step 5: Solve for x
    x = 586,872,510.30/27,436.62
  6. Step 6: Final answer
    x = 21,390.12

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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.