Home / 19,407.36-26,782.74-11,854.92

Finding the Fourth Proportional to 19,407.36, 26,782.74 and 11,854.92

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Solution

The fourth proportional to 19,407.36, 26,782.74 and 11,854.92 is: 16,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.36 : 26,782.74 = 11,854.92 : x
  2. Step 2: Convert to fraction form
    19,407.36/26,782.74 = 11,854.92/x
  3. Step 3: Cross multiply
    19,407.36x = 26,782.74 × 11,854.92
  4. Step 4: Simplify right side
    19,407.36x = 317,507,240.08
  5. Step 5: Solve for x
    x = 317,507,240.08/19,407.36
  6. Step 6: Final answer
    x = 16,360.15

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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.