Home / 20,501.96-28,406.74-20,058.92

Finding the Fourth Proportional to 20,501.96, 28,406.74 and 20,058.92

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Solution

The fourth proportional to 20,501.96, 28,406.74 and 20,058.92 is: 27,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.96 : 28,406.74 = 20,058.92 : x
  2. Step 2: Convert to fraction form
    20,501.96/28,406.74 = 20,058.92/x
  3. Step 3: Cross multiply
    20,501.96x = 28,406.74 × 20,058.92
  4. Step 4: Simplify right side
    20,501.96x = 569,808,525.12
  5. Step 5: Solve for x
    x = 569,808,525.12/20,501.96
  6. Step 6: Final answer
    x = 27,792.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.