Home / 19,015.32-28,385.79-16,066.20

Finding the Fourth Proportional to 19,015.32, 28,385.79 and 16,066.20

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Solution

The fourth proportional to 19,015.32, 28,385.79 and 16,066.20 is: 23,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.32 : 28,385.79 = 16,066.20 : x
  2. Step 2: Convert to fraction form
    19,015.32/28,385.79 = 16,066.20/x
  3. Step 3: Cross multiply
    19,015.32x = 28,385.79 × 16,066.20
  4. Step 4: Simplify right side
    19,015.32x = 456,051,779.30
  5. Step 5: Solve for x
    x = 456,051,779.30/19,015.32
  6. Step 6: Final answer
    x = 23,983.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.