Home / 21,684.95-32,528.54-6,103.79

Finding the Fourth Proportional to 21,684.95, 32,528.54 and 6,103.79

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Solution

The fourth proportional to 21,684.95, 32,528.54 and 6,103.79 is: 9,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.95 : 32,528.54 = 6,103.79 : x
  2. Step 2: Convert to fraction form
    21,684.95/32,528.54 = 6,103.79/x
  3. Step 3: Cross multiply
    21,684.95x = 32,528.54 × 6,103.79
  4. Step 4: Simplify right side
    21,684.95x = 198,547,184.00
  5. Step 5: Solve for x
    x = 198,547,184.00/21,684.95
  6. Step 6: Final answer
    x = 9,155.99

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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.