Home / 27,513.24-37,963.77-15,574.05

Finding the Fourth Proportional to 27,513.24, 37,963.77 and 15,574.05

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Solution

The fourth proportional to 27,513.24, 37,963.77 and 15,574.05 is: 21,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.24 : 37,963.77 = 15,574.05 : x
  2. Step 2: Convert to fraction form
    27,513.24/37,963.77 = 15,574.05/x
  3. Step 3: Cross multiply
    27,513.24x = 37,963.77 × 15,574.05
  4. Step 4: Simplify right side
    27,513.24x = 591,249,652.17
  5. Step 5: Solve for x
    x = 591,249,652.17/27,513.24
  6. Step 6: Final answer
    x = 21,489.64

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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.