Home / 14,592.36-20,127.72-13,485

Finding the Fourth Proportional to 14,592.36, 20,127.72 and 13,485

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Solution

The fourth proportional to 14,592.36, 20,127.72 and 13,485 is: 18,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.36 : 20,127.72 = 13,485 : x
  2. Step 2: Convert to fraction form
    14,592.36/20,127.72 = 13,485/x
  3. Step 3: Cross multiply
    14,592.36x = 20,127.72 × 13,485
  4. Step 4: Simplify right side
    14,592.36x = 271,422,304.20
  5. Step 5: Solve for x
    x = 271,422,304.20/14,592.36
  6. Step 6: Final answer
    x = 18,600.30

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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.