Home / 35,778.94-53,666.69-13,590.59

Finding the Fourth Proportional to 35,778.94, 53,666.69 and 13,590.59

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Solution

The fourth proportional to 35,778.94, 53,666.69 and 13,590.59 is: 20,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.94 : 53,666.69 = 13,590.59 : x
  2. Step 2: Convert to fraction form
    35,778.94/53,666.69 = 13,590.59/x
  3. Step 3: Cross multiply
    35,778.94x = 53,666.69 × 13,590.59
  4. Step 4: Simplify right side
    35,778.94x = 729,361,980.45
  5. Step 5: Solve for x
    x = 729,361,980.45/35,778.94
  6. Step 6: Final answer
    x = 20,385.23

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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.