Home / 14,484.60-19,993.26-11,505.72

Finding the Fourth Proportional to 14,484.60, 19,993.26 and 11,505.72

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Solution

The fourth proportional to 14,484.60, 19,993.26 and 11,505.72 is: 15,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.60 : 19,993.26 = 11,505.72 : x
  2. Step 2: Convert to fraction form
    14,484.60/19,993.26 = 11,505.72/x
  3. Step 3: Cross multiply
    14,484.60x = 19,993.26 × 11,505.72
  4. Step 4: Simplify right side
    14,484.60x = 230,036,851.45
  5. Step 5: Solve for x
    x = 230,036,851.45/14,484.60
  6. Step 6: Final answer
    x = 15,881.48

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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.