Home / 20,237.16-27,925.92-12,683.22

Finding the Fourth Proportional to 20,237.16, 27,925.92 and 12,683.22

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Solution

The fourth proportional to 20,237.16, 27,925.92 and 12,683.22 is: 17,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.16 : 27,925.92 = 12,683.22 : x
  2. Step 2: Convert to fraction form
    20,237.16/27,925.92 = 12,683.22/x
  3. Step 3: Cross multiply
    20,237.16x = 27,925.92 × 12,683.22
  4. Step 4: Simplify right side
    20,237.16x = 354,190,587.06
  5. Step 5: Solve for x
    x = 354,190,587.06/20,237.16
  6. Step 6: Final answer
    x = 17,501.99

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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.