Home / 15,568.48-21,490.73-9,606.16

Finding the Fourth Proportional to 15,568.48, 21,490.73 and 9,606.16

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Solution

The fourth proportional to 15,568.48, 21,490.73 and 9,606.16 is: 13,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.48 : 21,490.73 = 9,606.16 : x
  2. Step 2: Convert to fraction form
    15,568.48/21,490.73 = 9,606.16/x
  3. Step 3: Cross multiply
    15,568.48x = 21,490.73 × 9,606.16
  4. Step 4: Simplify right side
    15,568.48x = 206,443,390.90
  5. Step 5: Solve for x
    x = 206,443,390.90/15,568.48
  6. Step 6: Final answer
    x = 13,260.34

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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.