Home / 13,537.41-18,679.33-7,569.12

Finding the Fourth Proportional to 13,537.41, 18,679.33 and 7,569.12

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Solution

The fourth proportional to 13,537.41, 18,679.33 and 7,569.12 is: 10,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.41 : 18,679.33 = 7,569.12 : x
  2. Step 2: Convert to fraction form
    13,537.41/18,679.33 = 7,569.12/x
  3. Step 3: Cross multiply
    13,537.41x = 18,679.33 × 7,569.12
  4. Step 4: Simplify right side
    13,537.41x = 141,386,090.29
  5. Step 5: Solve for x
    x = 141,386,090.29/13,537.41
  6. Step 6: Final answer
    x = 10,444.10

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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.