Home / 25,349.76-34,983.90-14,019.21

Finding the Fourth Proportional to 25,349.76, 34,983.90 and 14,019.21

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Solution

The fourth proportional to 25,349.76, 34,983.90 and 14,019.21 is: 19,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.76 : 34,983.90 = 14,019.21 : x
  2. Step 2: Convert to fraction form
    25,349.76/34,983.90 = 14,019.21/x
  3. Step 3: Cross multiply
    25,349.76x = 34,983.90 × 14,019.21
  4. Step 4: Simplify right side
    25,349.76x = 490,446,640.72
  5. Step 5: Solve for x
    x = 490,446,640.72/25,349.76
  6. Step 6: Final answer
    x = 19,347.19

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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.