Home / 15,964.99-22,031.65-8,893.08

Finding the Fourth Proportional to 15,964.99, 22,031.65 and 8,893.08

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Solution

The fourth proportional to 15,964.99, 22,031.65 and 8,893.08 is: 12,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.99 : 22,031.65 = 8,893.08 : x
  2. Step 2: Convert to fraction form
    15,964.99/22,031.65 = 8,893.08/x
  3. Step 3: Cross multiply
    15,964.99x = 22,031.65 × 8,893.08
  4. Step 4: Simplify right side
    15,964.99x = 195,929,225.98
  5. Step 5: Solve for x
    x = 195,929,225.98/15,964.99
  6. Step 6: Final answer
    x = 12,272.43

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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.