Home / 26,525.57-39,811.98-19,931.63

Finding the Fourth Proportional to 26,525.57, 39,811.98 and 19,931.63

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Solution

The fourth proportional to 26,525.57, 39,811.98 and 19,931.63 is: 29,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,525.57 : 39,811.98 = 19,931.63 : x
  2. Step 2: Convert to fraction form
    26,525.57/39,811.98 = 19,931.63/x
  3. Step 3: Cross multiply
    26,525.57x = 39,811.98 × 19,931.63
  4. Step 4: Simplify right side
    26,525.57x = 793,517,654.93
  5. Step 5: Solve for x
    x = 793,517,654.93/26,525.57
  6. Step 6: Final answer
    x = 29,915.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.