Home / 14,088.68-21,140.29-6,196.72

Finding the Fourth Proportional to 14,088.68, 21,140.29 and 6,196.72

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Solution

The fourth proportional to 14,088.68, 21,140.29 and 6,196.72 is: 9,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.68 : 21,140.29 = 6,196.72 : x
  2. Step 2: Convert to fraction form
    14,088.68/21,140.29 = 6,196.72/x
  3. Step 3: Cross multiply
    14,088.68x = 21,140.29 × 6,196.72
  4. Step 4: Simplify right side
    14,088.68x = 131,000,457.85
  5. Step 5: Solve for x
    x = 131,000,457.85/14,088.68
  6. Step 6: Final answer
    x = 9,298.28

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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.