Home / 14,315.28-21,466.95-5,545.14

Finding the Fourth Proportional to 14,315.28, 21,466.95 and 5,545.14

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Solution

The fourth proportional to 14,315.28, 21,466.95 and 5,545.14 is: 8,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.28 : 21,466.95 = 5,545.14 : x
  2. Step 2: Convert to fraction form
    14,315.28/21,466.95 = 5,545.14/x
  3. Step 3: Cross multiply
    14,315.28x = 21,466.95 × 5,545.14
  4. Step 4: Simplify right side
    14,315.28x = 119,037,243.12
  5. Step 5: Solve for x
    x = 119,037,243.12/14,315.28
  6. Step 6: Final answer
    x = 8,315.40

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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.