Home / 14,457.05-19,948.12-8,083.76

Finding the Fourth Proportional to 14,457.05, 19,948.12 and 8,083.76

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Solution

The fourth proportional to 14,457.05, 19,948.12 and 8,083.76 is: 11,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.05 : 19,948.12 = 8,083.76 : x
  2. Step 2: Convert to fraction form
    14,457.05/19,948.12 = 8,083.76/x
  3. Step 3: Cross multiply
    14,457.05x = 19,948.12 × 8,083.76
  4. Step 4: Simplify right side
    14,457.05x = 161,255,844.19
  5. Step 5: Solve for x
    x = 161,255,844.19/14,457.05
  6. Step 6: Final answer
    x = 11,154.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.