Home / 18,113.45-24,995.09-10,154.58

Finding the Fourth Proportional to 18,113.45, 24,995.09 and 10,154.58

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Solution

The fourth proportional to 18,113.45, 24,995.09 and 10,154.58 is: 14,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.45 : 24,995.09 = 10,154.58 : x
  2. Step 2: Convert to fraction form
    18,113.45/24,995.09 = 10,154.58/x
  3. Step 3: Cross multiply
    18,113.45x = 24,995.09 × 10,154.58
  4. Step 4: Simplify right side
    18,113.45x = 253,814,590.24
  5. Step 5: Solve for x
    x = 253,814,590.24/18,113.45
  6. Step 6: Final answer
    x = 14,012.50

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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.