Home / 20,327.58-28,061.43-14,364.06

Finding the Fourth Proportional to 20,327.58, 28,061.43 and 14,364.06

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Solution

The fourth proportional to 20,327.58, 28,061.43 and 14,364.06 is: 19,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.58 : 28,061.43 = 14,364.06 : x
  2. Step 2: Convert to fraction form
    20,327.58/28,061.43 = 14,364.06/x
  3. Step 3: Cross multiply
    20,327.58x = 28,061.43 × 14,364.06
  4. Step 4: Simplify right side
    20,327.58x = 403,076,064.21
  5. Step 5: Solve for x
    x = 403,076,064.21/20,327.58
  6. Step 6: Final answer
    x = 19,829.02

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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.