Home / 13,285.06-19,917.26-8,595.16

Finding the Fourth Proportional to 13,285.06, 19,917.26 and 8,595.16

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Solution

The fourth proportional to 13,285.06, 19,917.26 and 8,595.16 is: 12,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.06 : 19,917.26 = 8,595.16 : x
  2. Step 2: Convert to fraction form
    13,285.06/19,917.26 = 8,595.16/x
  3. Step 3: Cross multiply
    13,285.06x = 19,917.26 × 8,595.16
  4. Step 4: Simplify right side
    13,285.06x = 171,191,993.49
  5. Step 5: Solve for x
    x = 171,191,993.49/13,285.06
  6. Step 6: Final answer
    x = 12,886.05

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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.