Home / 27,525.69-37,986.15-15,588.85

Finding the Fourth Proportional to 27,525.69, 37,986.15 and 15,588.85

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Solution

The fourth proportional to 27,525.69, 37,986.15 and 15,588.85 is: 21,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,525.69 : 37,986.15 = 15,588.85 : x
  2. Step 2: Convert to fraction form
    27,525.69/37,986.15 = 15,588.85/x
  3. Step 3: Cross multiply
    27,525.69x = 37,986.15 × 15,588.85
  4. Step 4: Simplify right side
    27,525.69x = 592,160,394.43
  5. Step 5: Solve for x
    x = 592,160,394.43/27,525.69
  6. Step 6: Final answer
    x = 21,513.01

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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.