Home / 19,435.96-26,829.75-13,151.98

Finding the Fourth Proportional to 19,435.96, 26,829.75 and 13,151.98

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Solution

The fourth proportional to 19,435.96, 26,829.75 and 13,151.98 is: 18,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.96 : 26,829.75 = 13,151.98 : x
  2. Step 2: Convert to fraction form
    19,435.96/26,829.75 = 13,151.98/x
  3. Step 3: Cross multiply
    19,435.96x = 26,829.75 × 13,151.98
  4. Step 4: Simplify right side
    19,435.96x = 352,864,335.41
  5. Step 5: Solve for x
    x = 352,864,335.41/19,435.96
  6. Step 6: Final answer
    x = 18,155.23

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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.