Home / 14,801.50-20,427.45-8,088.12

Finding the Fourth Proportional to 14,801.50, 20,427.45 and 8,088.12

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Solution

The fourth proportional to 14,801.50, 20,427.45 and 8,088.12 is: 11,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.50 : 20,427.45 = 8,088.12 : x
  2. Step 2: Convert to fraction form
    14,801.50/20,427.45 = 8,088.12/x
  3. Step 3: Cross multiply
    14,801.50x = 20,427.45 × 8,088.12
  4. Step 4: Simplify right side
    14,801.50x = 165,219,736.52
  5. Step 5: Solve for x
    x = 165,219,736.52/14,801.50
  6. Step 6: Final answer
    x = 11,162.37

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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.