Home / 18,124.36-25,011.65-10,166.58

Finding the Fourth Proportional to 18,124.36, 25,011.65 and 10,166.58

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Solution

The fourth proportional to 18,124.36, 25,011.65 and 10,166.58 is: 14,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.36 : 25,011.65 = 10,166.58 : x
  2. Step 2: Convert to fraction form
    18,124.36/25,011.65 = 10,166.58/x
  3. Step 3: Cross multiply
    18,124.36x = 25,011.65 × 10,166.58
  4. Step 4: Simplify right side
    18,124.36x = 254,282,966.07
  5. Step 5: Solve for x
    x = 254,282,966.07/18,124.36
  6. Step 6: Final answer
    x = 14,029.90

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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.