Home / 18,124.70-25,012.08-10,166.75

Finding the Fourth Proportional to 18,124.70, 25,012.08 and 10,166.75

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Solution

The fourth proportional to 18,124.70, 25,012.08 and 10,166.75 is: 14,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.70 : 25,012.08 = 10,166.75 : x
  2. Step 2: Convert to fraction form
    18,124.70/25,012.08 = 10,166.75/x
  3. Step 3: Cross multiply
    18,124.70x = 25,012.08 × 10,166.75
  4. Step 4: Simplify right side
    18,124.70x = 254,291,564.34
  5. Step 5: Solve for x
    x = 254,291,564.34/18,124.70
  6. Step 6: Final answer
    x = 14,030.11

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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.