Home / 19,525.36-29,332.20-13,990.96

Finding the Fourth Proportional to 19,525.36, 29,332.20 and 13,990.96

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Solution

The fourth proportional to 19,525.36, 29,332.20 and 13,990.96 is: 21,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.36 : 29,332.20 = 13,990.96 : x
  2. Step 2: Convert to fraction form
    19,525.36/29,332.20 = 13,990.96/x
  3. Step 3: Cross multiply
    19,525.36x = 29,332.20 × 13,990.96
  4. Step 4: Simplify right side
    19,525.36x = 410,385,636.91
  5. Step 5: Solve for x
    x = 410,385,636.91/19,525.36
  6. Step 6: Final answer
    x = 21,018.08

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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.