Home / 14,905.72-20,572.50-14,437.48

Finding the Fourth Proportional to 14,905.72, 20,572.50 and 14,437.48

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Solution

The fourth proportional to 14,905.72, 20,572.50 and 14,437.48 is: 19,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.72 : 20,572.50 = 14,437.48 : x
  2. Step 2: Convert to fraction form
    14,905.72/20,572.50 = 14,437.48/x
  3. Step 3: Cross multiply
    14,905.72x = 20,572.50 × 14,437.48
  4. Step 4: Simplify right side
    14,905.72x = 297,015,057.30
  5. Step 5: Solve for x
    x = 297,015,057.30/14,905.72
  6. Step 6: Final answer
    x = 19,926.25

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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.