Home / 14,871.33-20,522.73-8,156.57

Finding the Fourth Proportional to 14,871.33, 20,522.73 and 8,156.57

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Solution

The fourth proportional to 14,871.33, 20,522.73 and 8,156.57 is: 11,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.33 : 20,522.73 = 8,156.57 : x
  2. Step 2: Convert to fraction form
    14,871.33/20,522.73 = 8,156.57/x
  3. Step 3: Cross multiply
    14,871.33x = 20,522.73 × 8,156.57
  4. Step 4: Simplify right side
    14,871.33x = 167,395,011.81
  5. Step 5: Solve for x
    x = 167,395,011.81/14,871.33
  6. Step 6: Final answer
    x = 11,256.22

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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.