Home / 14,545.95-21,815.84-6,646.22

Finding the Fourth Proportional to 14,545.95, 21,815.84 and 6,646.22

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Solution

The fourth proportional to 14,545.95, 21,815.84 and 6,646.22 is: 9,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.95 : 21,815.84 = 6,646.22 : x
  2. Step 2: Convert to fraction form
    14,545.95/21,815.84 = 6,646.22/x
  3. Step 3: Cross multiply
    14,545.95x = 21,815.84 × 6,646.22
  4. Step 4: Simplify right side
    14,545.95x = 144,992,861.47
  5. Step 5: Solve for x
    x = 144,992,861.47/14,545.95
  6. Step 6: Final answer
    x = 9,967.92

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1.5x scale

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.