Home / 14,389.60-21,576.21-6,992.08

Finding the Fourth Proportional to 14,389.60, 21,576.21 and 6,992.08

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Solution

The fourth proportional to 14,389.60, 21,576.21 and 6,992.08 is: 10,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.60 : 21,576.21 = 6,992.08 : x
  2. Step 2: Convert to fraction form
    14,389.60/21,576.21 = 6,992.08/x
  3. Step 3: Cross multiply
    14,389.60x = 21,576.21 × 6,992.08
  4. Step 4: Simplify right side
    14,389.60x = 150,862,586.42
  5. Step 5: Solve for x
    x = 150,862,586.42/14,389.60
  6. Step 6: Final answer
    x = 10,484.14

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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.