Home / 15,242.48-21,033.24-9,653.36

Finding the Fourth Proportional to 15,242.48, 21,033.24 and 9,653.36

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Solution

The fourth proportional to 15,242.48, 21,033.24 and 9,653.36 is: 13,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.48 : 21,033.24 = 9,653.36 : x
  2. Step 2: Convert to fraction form
    15,242.48/21,033.24 = 9,653.36/x
  3. Step 3: Cross multiply
    15,242.48x = 21,033.24 × 9,653.36
  4. Step 4: Simplify right side
    15,242.48x = 203,041,437.69
  5. Step 5: Solve for x
    x = 203,041,437.69/15,242.48
  6. Step 6: Final answer
    x = 13,320.76

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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.