Home / 14,728.50-20,325.33-8,444.52

Finding the Fourth Proportional to 14,728.50, 20,325.33 and 8,444.52

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Solution

The fourth proportional to 14,728.50, 20,325.33 and 8,444.52 is: 11,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.50 : 20,325.33 = 8,444.52 : x
  2. Step 2: Convert to fraction form
    14,728.50/20,325.33 = 8,444.52/x
  3. Step 3: Cross multiply
    14,728.50x = 20,325.33 × 8,444.52
  4. Step 4: Simplify right side
    14,728.50x = 171,637,655.69
  5. Step 5: Solve for x
    x = 171,637,655.69/14,728.50
  6. Step 6: Final answer
    x = 11,653.44

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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.