Home / 19,197.36-26,484.30-12,480.84

Finding the Fourth Proportional to 19,197.36, 26,484.30 and 12,480.84

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Solution

The fourth proportional to 19,197.36, 26,484.30 and 12,480.84 is: 17,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.36 : 26,484.30 = 12,480.84 : x
  2. Step 2: Convert to fraction form
    19,197.36/26,484.30 = 12,480.84/x
  3. Step 3: Cross multiply
    19,197.36x = 26,484.30 × 12,480.84
  4. Step 4: Simplify right side
    19,197.36x = 330,546,310.81
  5. Step 5: Solve for x
    x = 330,546,310.81/19,197.36
  6. Step 6: Final answer
    x = 17,218.32

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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.