Home / 15,240.63-21,032.87-8,526.37

Finding the Fourth Proportional to 15,240.63, 21,032.87 and 8,526.37

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Solution

The fourth proportional to 15,240.63, 21,032.87 and 8,526.37 is: 11,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.63 : 21,032.87 = 8,526.37 : x
  2. Step 2: Convert to fraction form
    15,240.63/21,032.87 = 8,526.37/x
  3. Step 3: Cross multiply
    15,240.63x = 21,032.87 × 8,526.37
  4. Step 4: Simplify right side
    15,240.63x = 179,334,031.78
  5. Step 5: Solve for x
    x = 179,334,031.78/15,240.63
  6. Step 6: Final answer
    x = 11,766.84

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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.