Home / 14,156.47-21,244.28-5,391.16

Finding the Fourth Proportional to 14,156.47, 21,244.28 and 5,391.16

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Solution

The fourth proportional to 14,156.47, 21,244.28 and 5,391.16 is: 8,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.47 : 21,244.28 = 5,391.16 : x
  2. Step 2: Convert to fraction form
    14,156.47/21,244.28 = 5,391.16/x
  3. Step 3: Cross multiply
    14,156.47x = 21,244.28 × 5,391.16
  4. Step 4: Simplify right side
    14,156.47x = 114,531,232.50
  5. Step 5: Solve for x
    x = 114,531,232.50/14,156.47
  6. Step 6: Final answer
    x = 8,090.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.