Home / 15,570.48-21,493.49-9,608.16

Finding the Fourth Proportional to 15,570.48, 21,493.49 and 9,608.16

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Solution

The fourth proportional to 15,570.48, 21,493.49 and 9,608.16 is: 13,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.48 : 21,493.49 = 9,608.16 : x
  2. Step 2: Convert to fraction form
    15,570.48/21,493.49 = 9,608.16/x
  3. Step 3: Cross multiply
    15,570.48x = 21,493.49 × 9,608.16
  4. Step 4: Simplify right side
    15,570.48x = 206,512,890.88
  5. Step 5: Solve for x
    x = 206,512,890.88/15,570.48
  6. Step 6: Final answer
    x = 13,263.10

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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.