Home / 15,336.48-21,166.56-9,370.08

Finding the Fourth Proportional to 15,336.48, 21,166.56 and 9,370.08

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Solution

The fourth proportional to 15,336.48, 21,166.56 and 9,370.08 is: 12,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.48 : 21,166.56 = 9,370.08 : x
  2. Step 2: Convert to fraction form
    15,336.48/21,166.56 = 9,370.08/x
  3. Step 3: Cross multiply
    15,336.48x = 21,166.56 × 9,370.08
  4. Step 4: Simplify right side
    15,336.48x = 198,332,360.52
  5. Step 5: Solve for x
    x = 198,332,360.52/15,336.48
  6. Step 6: Final answer
    x = 12,932.07

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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.