Home / 18,123.90-25,011.01-10,166.10

Finding the Fourth Proportional to 18,123.90, 25,011.01 and 10,166.10

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Solution

The fourth proportional to 18,123.90, 25,011.01 and 10,166.10 is: 14,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.90 : 25,011.01 = 10,166.10 : x
  2. Step 2: Convert to fraction form
    18,123.90/25,011.01 = 10,166.10/x
  3. Step 3: Cross multiply
    18,123.90x = 25,011.01 × 10,166.10
  4. Step 4: Simplify right side
    18,123.90x = 254,264,428.76
  5. Step 5: Solve for x
    x = 254,264,428.76/18,123.90
  6. Step 6: Final answer
    x = 14,029.23

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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.