Home / 19,383.40-26,689.86-14,610.28

Finding the Fourth Proportional to 19,383.40, 26,689.86 and 14,610.28

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Solution

The fourth proportional to 19,383.40, 26,689.86 and 14,610.28 is: 20,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.40 : 26,689.86 = 14,610.28 : x
  2. Step 2: Convert to fraction form
    19,383.40/26,689.86 = 14,610.28/x
  3. Step 3: Cross multiply
    19,383.40x = 26,689.86 × 14,610.28
  4. Step 4: Simplify right side
    19,383.40x = 389,946,327.76
  5. Step 5: Solve for x
    x = 389,946,327.76/19,383.40
  6. Step 6: Final answer
    x = 20,117.54

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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.