Home / 27,513.99-37,965.65-15,577.02

Finding the Fourth Proportional to 27,513.99, 37,965.65 and 15,577.02

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Solution

The fourth proportional to 27,513.99, 37,965.65 and 15,577.02 is: 21,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.99 : 37,965.65 = 15,577.02 : x
  2. Step 2: Convert to fraction form
    27,513.99/37,965.65 = 15,577.02/x
  3. Step 3: Cross multiply
    27,513.99x = 37,965.65 × 15,577.02
  4. Step 4: Simplify right side
    27,513.99x = 591,391,611.48
  5. Step 5: Solve for x
    x = 591,391,611.48/27,513.99
  6. Step 6: Final answer
    x = 21,494.21

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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.