Home / 35,854.98-53,780.40-13,670.60

Finding the Fourth Proportional to 35,854.98, 53,780.40 and 13,670.60

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Solution

The fourth proportional to 35,854.98, 53,780.40 and 13,670.60 is: 20,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,854.98 : 53,780.40 = 13,670.60 : x
  2. Step 2: Convert to fraction form
    35,854.98/53,780.40 = 13,670.60/x
  3. Step 3: Cross multiply
    35,854.98x = 53,780.40 × 13,670.60
  4. Step 4: Simplify right side
    35,854.98x = 735,210,067.34
  5. Step 5: Solve for x
    x = 735,210,067.34/35,854.98
  6. Step 6: Final answer
    x = 20,505.11

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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.