Home / 18,124.95-25,012.56-10,166.97

Finding the Fourth Proportional to 18,124.95, 25,012.56 and 10,166.97

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Solution

The fourth proportional to 18,124.95, 25,012.56 and 10,166.97 is: 14,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.95 : 25,012.56 = 10,166.97 : x
  2. Step 2: Convert to fraction form
    18,124.95/25,012.56 = 10,166.97/x
  3. Step 3: Cross multiply
    18,124.95x = 25,012.56 × 10,166.97
  4. Step 4: Simplify right side
    18,124.95x = 254,301,947.14
  5. Step 5: Solve for x
    x = 254,301,947.14/18,124.95
  6. Step 6: Final answer
    x = 14,030.49

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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.