Home / 35,686.32-53,512.59-13,189.62

Finding the Fourth Proportional to 35,686.32, 53,512.59 and 13,189.62

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Solution

The fourth proportional to 35,686.32, 53,512.59 and 13,189.62 is: 19,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.32 : 53,512.59 = 13,189.62 : x
  2. Step 2: Convert to fraction form
    35,686.32/53,512.59 = 13,189.62/x
  3. Step 3: Cross multiply
    35,686.32x = 53,512.59 × 13,189.62
  4. Step 4: Simplify right side
    35,686.32x = 705,810,727.32
  5. Step 5: Solve for x
    x = 705,810,727.32/35,686.32
  6. Step 6: Final answer
    x = 19,778.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.