Home / 15,108.35-20,852.51-9,653.93

Finding the Fourth Proportional to 15,108.35, 20,852.51 and 9,653.93

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Solution

The fourth proportional to 15,108.35, 20,852.51 and 9,653.93 is: 13,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.35 : 20,852.51 = 9,653.93 : x
  2. Step 2: Convert to fraction form
    15,108.35/20,852.51 = 9,653.93/x
  3. Step 3: Cross multiply
    15,108.35x = 20,852.51 × 9,653.93
  4. Step 4: Simplify right side
    15,108.35x = 201,308,671.86
  5. Step 5: Solve for x
    x = 201,308,671.86/15,108.35
  6. Step 6: Final answer
    x = 13,324.33

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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.