Home / 25,665.09-38,521.86-13,193.88

Finding the Fourth Proportional to 25,665.09, 38,521.86 and 13,193.88

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Solution

The fourth proportional to 25,665.09, 38,521.86 and 13,193.88 is: 19,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.09 : 38,521.86 = 13,193.88 : x
  2. Step 2: Convert to fraction form
    25,665.09/38,521.86 = 13,193.88/x
  3. Step 3: Cross multiply
    25,665.09x = 38,521.86 × 13,193.88
  4. Step 4: Simplify right side
    25,665.09x = 508,252,798.22
  5. Step 5: Solve for x
    x = 508,252,798.22/25,665.09
  6. Step 6: Final answer
    x = 19,803.27

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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.