Home / 21,058.92-29,065.86-14,360.54

Finding the Fourth Proportional to 21,058.92, 29,065.86 and 14,360.54

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Solution

The fourth proportional to 21,058.92, 29,065.86 and 14,360.54 is: 19,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.92 : 29,065.86 = 14,360.54 : x
  2. Step 2: Convert to fraction form
    21,058.92/29,065.86 = 14,360.54/x
  3. Step 3: Cross multiply
    21,058.92x = 29,065.86 × 14,360.54
  4. Step 4: Simplify right side
    21,058.92x = 417,401,299.84
  5. Step 5: Solve for x
    x = 417,401,299.84/21,058.92
  6. Step 6: Final answer
    x = 19,820.64

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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.