Home / 19,621.08-27,076.89-14,607.72

Finding the Fourth Proportional to 19,621.08, 27,076.89 and 14,607.72

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Solution

The fourth proportional to 19,621.08, 27,076.89 and 14,607.72 is: 20,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.08 : 27,076.89 = 14,607.72 : x
  2. Step 2: Convert to fraction form
    19,621.08/27,076.89 = 14,607.72/x
  3. Step 3: Cross multiply
    19,621.08x = 27,076.89 × 14,607.72
  4. Step 4: Simplify right side
    19,621.08x = 395,531,572.81
  5. Step 5: Solve for x
    x = 395,531,572.81/19,621.08
  6. Step 6: Final answer
    x = 20,158.50

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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.