Home / 14,164.77-21,331.47-12,337.95

Finding the Fourth Proportional to 14,164.77, 21,331.47 and 12,337.95

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Solution

The fourth proportional to 14,164.77, 21,331.47 and 12,337.95 is: 18,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.77 : 21,331.47 = 12,337.95 : x
  2. Step 2: Convert to fraction form
    14,164.77/21,331.47 = 12,337.95/x
  3. Step 3: Cross multiply
    14,164.77x = 21,331.47 × 12,337.95
  4. Step 4: Simplify right side
    14,164.77x = 263,186,610.29
  5. Step 5: Solve for x
    x = 263,186,610.29/14,164.77
  6. Step 6: Final answer
    x = 18,580.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.