Home / 15,240.06-21,033.72-8,952.42

Finding the Fourth Proportional to 15,240.06, 21,033.72 and 8,952.42

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Solution

The fourth proportional to 15,240.06, 21,033.72 and 8,952.42 is: 12,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.06 : 21,033.72 = 8,952.42 : x
  2. Step 2: Convert to fraction form
    15,240.06/21,033.72 = 8,952.42/x
  3. Step 3: Cross multiply
    15,240.06x = 21,033.72 × 8,952.42
  4. Step 4: Simplify right side
    15,240.06x = 188,302,695.60
  5. Step 5: Solve for x
    x = 188,302,695.60/15,240.06
  6. Step 6: Final answer
    x = 12,355.77

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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.