Home / 13,557.67-18,696.44-10,572.42

Finding the Fourth Proportional to 13,557.67, 18,696.44 and 10,572.42

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Solution

The fourth proportional to 13,557.67, 18,696.44 and 10,572.42 is: 14,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.67 : 18,696.44 = 10,572.42 : x
  2. Step 2: Convert to fraction form
    13,557.67/18,696.44 = 10,572.42/x
  3. Step 3: Cross multiply
    13,557.67x = 18,696.44 × 10,572.42
  4. Step 4: Simplify right side
    13,557.67x = 197,666,572.50
  5. Step 5: Solve for x
    x = 197,666,572.50/13,557.67
  6. Step 6: Final answer
    x = 14,579.68

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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.