Home / 13,907.04-19,191.56-8,602.35

Finding the Fourth Proportional to 13,907.04, 19,191.56 and 8,602.35

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Solution

The fourth proportional to 13,907.04, 19,191.56 and 8,602.35 is: 11,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.04 : 19,191.56 = 8,602.35 : x
  2. Step 2: Convert to fraction form
    13,907.04/19,191.56 = 8,602.35/x
  3. Step 3: Cross multiply
    13,907.04x = 19,191.56 × 8,602.35
  4. Step 4: Simplify right side
    13,907.04x = 165,092,516.17
  5. Step 5: Solve for x
    x = 165,092,516.17/13,907.04
  6. Step 6: Final answer
    x = 11,871.15

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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.