Home / 13,841.80-19,081.90-8,533.08

Finding the Fourth Proportional to 13,841.80, 19,081.90 and 8,533.08

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Solution

The fourth proportional to 13,841.80, 19,081.90 and 8,533.08 is: 11,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.80 : 19,081.90 = 8,533.08 : x
  2. Step 2: Convert to fraction form
    13,841.80/19,081.90 = 8,533.08/x
  3. Step 3: Cross multiply
    13,841.80x = 19,081.90 × 8,533.08
  4. Step 4: Simplify right side
    13,841.80x = 162,827,379.25
  5. Step 5: Solve for x
    x = 162,827,379.25/13,841.80
  6. Step 6: Final answer
    x = 11,763.45

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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.