Home / 27,637.47-38,145.86-17,563.95

Finding the Fourth Proportional to 27,637.47, 38,145.86 and 17,563.95

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Solution

The fourth proportional to 27,637.47, 38,145.86 and 17,563.95 is: 24,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.47 : 38,145.86 = 17,563.95 : x
  2. Step 2: Convert to fraction form
    27,637.47/38,145.86 = 17,563.95/x
  3. Step 3: Cross multiply
    27,637.47x = 38,145.86 × 17,563.95
  4. Step 4: Simplify right side
    27,637.47x = 669,991,977.75
  5. Step 5: Solve for x
    x = 669,991,977.75/27,637.47
  6. Step 6: Final answer
    x = 24,242.16

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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.