Home / 19,018.10-28,530.58-6,534.90

Finding the Fourth Proportional to 19,018.10, 28,530.58 and 6,534.90

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Solution

The fourth proportional to 19,018.10, 28,530.58 and 6,534.90 is: 9,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.10 : 28,530.58 = 6,534.90 : x
  2. Step 2: Convert to fraction form
    19,018.10/28,530.58 = 6,534.90/x
  3. Step 3: Cross multiply
    19,018.10x = 28,530.58 × 6,534.90
  4. Step 4: Simplify right side
    19,018.10x = 186,444,487.24
  5. Step 5: Solve for x
    x = 186,444,487.24/19,018.10
  6. Step 6: Final answer
    x = 9,803.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.