Home / 19,117.80-26,383.86-14,394.60

Finding the Fourth Proportional to 19,117.80, 26,383.86 and 14,394.60

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Solution

The fourth proportional to 19,117.80, 26,383.86 and 14,394.60 is: 19,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.80 : 26,383.86 = 14,394.60 : x
  2. Step 2: Convert to fraction form
    19,117.80/26,383.86 = 14,394.60/x
  3. Step 3: Cross multiply
    19,117.80x = 26,383.86 × 14,394.60
  4. Step 4: Simplify right side
    19,117.80x = 379,785,111.16
  5. Step 5: Solve for x
    x = 379,785,111.16/19,117.80
  6. Step 6: Final answer
    x = 19,865.52

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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.