Home / 14,065.24-21,099.90-4,207.60

Finding the Fourth Proportional to 14,065.24, 21,099.90 and 4,207.60

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Solution

The fourth proportional to 14,065.24, 21,099.90 and 4,207.60 is: 6,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.24 : 21,099.90 = 4,207.60 : x
  2. Step 2: Convert to fraction form
    14,065.24/21,099.90 = 4,207.60/x
  3. Step 3: Cross multiply
    14,065.24x = 21,099.90 × 4,207.60
  4. Step 4: Simplify right side
    14,065.24x = 88,779,939.24
  5. Step 5: Solve for x
    x = 88,779,939.24/14,065.24
  6. Step 6: Final answer
    x = 6,312.01

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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.