Home / 15,241.02-21,031.83-8,526.66

Finding the Fourth Proportional to 15,241.02, 21,031.83 and 8,526.66

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Solution

The fourth proportional to 15,241.02, 21,031.83 and 8,526.66 is: 11,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.02 : 21,031.83 = 8,526.66 : x
  2. Step 2: Convert to fraction form
    15,241.02/21,031.83 = 8,526.66/x
  3. Step 3: Cross multiply
    15,241.02x = 21,031.83 × 8,526.66
  4. Step 4: Simplify right side
    15,241.02x = 179,331,263.59
  5. Step 5: Solve for x
    x = 179,331,263.59/15,241.02
  6. Step 6: Final answer
    x = 11,766.36

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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.