Home / 14,631.51-20,185.02-11,496.81

Finding the Fourth Proportional to 14,631.51, 20,185.02 and 11,496.81

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Solution

The fourth proportional to 14,631.51, 20,185.02 and 11,496.81 is: 15,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.51 : 20,185.02 = 11,496.81 : x
  2. Step 2: Convert to fraction form
    14,631.51/20,185.02 = 11,496.81/x
  3. Step 3: Cross multiply
    14,631.51x = 20,185.02 × 11,496.81
  4. Step 4: Simplify right side
    14,631.51x = 232,063,339.79
  5. Step 5: Solve for x
    x = 232,063,339.79/14,631.51
  6. Step 6: Final answer
    x = 15,860.52

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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.