Home / 13,235.48-18,262.80-7,569.31

Finding the Fourth Proportional to 13,235.48, 18,262.80 and 7,569.31

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Solution

The fourth proportional to 13,235.48, 18,262.80 and 7,569.31 is: 10,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.48 : 18,262.80 = 7,569.31 : x
  2. Step 2: Convert to fraction form
    13,235.48/18,262.80 = 7,569.31/x
  3. Step 3: Cross multiply
    13,235.48x = 18,262.80 × 7,569.31
  4. Step 4: Simplify right side
    13,235.48x = 138,236,794.67
  5. Step 5: Solve for x
    x = 138,236,794.67/13,235.48
  6. Step 6: Final answer
    x = 10,444.42

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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.