Home / 14,820.54-20,451.75-8,533.98

Finding the Fourth Proportional to 14,820.54, 20,451.75 and 8,533.98

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Solution

The fourth proportional to 14,820.54, 20,451.75 and 8,533.98 is: 11,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.54 : 20,451.75 = 8,533.98 : x
  2. Step 2: Convert to fraction form
    14,820.54/20,451.75 = 8,533.98/x
  3. Step 3: Cross multiply
    14,820.54x = 20,451.75 × 8,533.98
  4. Step 4: Simplify right side
    14,820.54x = 174,534,825.47
  5. Step 5: Solve for x
    x = 174,534,825.47/14,820.54
  6. Step 6: Final answer
    x = 11,776.55

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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.