Home / 20,462.55-30,513.10-17,973.92

Finding the Fourth Proportional to 20,462.55, 30,513.10 and 17,973.92

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Solution

The fourth proportional to 20,462.55, 30,513.10 and 17,973.92 is: 26,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.55 : 30,513.10 = 17,973.92 : x
  2. Step 2: Convert to fraction form
    20,462.55/30,513.10 = 17,973.92/x
  3. Step 3: Cross multiply
    20,462.55x = 30,513.10 × 17,973.92
  4. Step 4: Simplify right side
    20,462.55x = 548,440,018.35
  5. Step 5: Solve for x
    x = 548,440,018.35/20,462.55
  6. Step 6: Final answer
    x = 26,802.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.