Home / 16,810.15-25,258.25-12,688.97

Finding the Fourth Proportional to 16,810.15, 25,258.25 and 12,688.97

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Solution

The fourth proportional to 16,810.15, 25,258.25 and 12,688.97 is: 19,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.15 : 25,258.25 = 12,688.97 : x
  2. Step 2: Convert to fraction form
    16,810.15/25,258.25 = 12,688.97/x
  3. Step 3: Cross multiply
    16,810.15x = 25,258.25 × 12,688.97
  4. Step 4: Simplify right side
    16,810.15x = 320,501,208.22
  5. Step 5: Solve for x
    x = 320,501,208.22/16,810.15
  6. Step 6: Final answer
    x = 19,065.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.