Home / 19,218.36-26,507.34-14,691.27

Finding the Fourth Proportional to 19,218.36, 26,507.34 and 14,691.27

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Solution

The fourth proportional to 19,218.36, 26,507.34 and 14,691.27 is: 20,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.36 : 26,507.34 = 14,691.27 : x
  2. Step 2: Convert to fraction form
    19,218.36/26,507.34 = 14,691.27/x
  3. Step 3: Cross multiply
    19,218.36x = 26,507.34 × 14,691.27
  4. Step 4: Simplify right side
    19,218.36x = 389,426,488.92
  5. Step 5: Solve for x
    x = 389,426,488.92/19,218.36
  6. Step 6: Final answer
    x = 20,263.25

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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.