Home / 27,525.62-37,985.80-15,588.64

Finding the Fourth Proportional to 27,525.62, 37,985.80 and 15,588.64

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Solution

The fourth proportional to 27,525.62, 37,985.80 and 15,588.64 is: 21,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,525.62 : 37,985.80 = 15,588.64 : x
  2. Step 2: Convert to fraction form
    27,525.62/37,985.80 = 15,588.64/x
  3. Step 3: Cross multiply
    27,525.62x = 37,985.80 × 15,588.64
  4. Step 4: Simplify right side
    27,525.62x = 592,146,961.31
  5. Step 5: Solve for x
    x = 592,146,961.31/27,525.62
  6. Step 6: Final answer
    x = 21,512.57

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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.