Home / 13,736.25-18,973.98-10,158.48

Finding the Fourth Proportional to 13,736.25, 18,973.98 and 10,158.48

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Solution

The fourth proportional to 13,736.25, 18,973.98 and 10,158.48 is: 14,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.25 : 18,973.98 = 10,158.48 : x
  2. Step 2: Convert to fraction form
    13,736.25/18,973.98 = 10,158.48/x
  3. Step 3: Cross multiply
    13,736.25x = 18,973.98 × 10,158.48
  4. Step 4: Simplify right side
    13,736.25x = 192,746,796.35
  5. Step 5: Solve for x
    x = 192,746,796.35/13,736.25
  6. Step 6: Final answer
    x = 14,031.98

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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.