Home / 13,159.94-18,160.97-7,192.00

Finding the Fourth Proportional to 13,159.94, 18,160.97 and 7,192.00

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Solution

The fourth proportional to 13,159.94, 18,160.97 and 7,192.00 is: 9,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.94 : 18,160.97 = 7,192.00 : x
  2. Step 2: Convert to fraction form
    13,159.94/18,160.97 = 7,192.00/x
  3. Step 3: Cross multiply
    13,159.94x = 18,160.97 × 7,192.00
  4. Step 4: Simplify right side
    13,159.94x = 130,613,614.88
  5. Step 5: Solve for x
    x = 130,613,614.88/13,159.94
  6. Step 6: Final answer
    x = 9,925.09

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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.