Home / 19,277.36-26,594.88-12,991.76

Finding the Fourth Proportional to 19,277.36, 26,594.88 and 12,991.76

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Solution

The fourth proportional to 19,277.36, 26,594.88 and 12,991.76 is: 17,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.36 : 26,594.88 = 12,991.76 : x
  2. Step 2: Convert to fraction form
    19,277.36/26,594.88 = 12,991.76/x
  3. Step 3: Cross multiply
    19,277.36x = 26,594.88 × 12,991.76
  4. Step 4: Simplify right side
    19,277.36x = 345,514,298.19
  5. Step 5: Solve for x
    x = 345,514,298.19/19,277.36
  6. Step 6: Final answer
    x = 17,923.32

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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.