Home / 14,431.59-21,666.42-14,265.54

Finding the Fourth Proportional to 14,431.59, 21,666.42 and 14,265.54

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Solution

The fourth proportional to 14,431.59, 21,666.42 and 14,265.54 is: 21,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.59 : 21,666.42 = 14,265.54 : x
  2. Step 2: Convert to fraction form
    14,431.59/21,666.42 = 14,265.54/x
  3. Step 3: Cross multiply
    14,431.59x = 21,666.42 × 14,265.54
  4. Step 4: Simplify right side
    14,431.59x = 309,083,181.17
  5. Step 5: Solve for x
    x = 309,083,181.17/14,431.59
  6. Step 6: Final answer
    x = 21,417.13

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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.