Home / 18,222.04-25,146.68-10,155.47

Finding the Fourth Proportional to 18,222.04, 25,146.68 and 10,155.47

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Solution

The fourth proportional to 18,222.04, 25,146.68 and 10,155.47 is: 14,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.04 : 25,146.68 = 10,155.47 : x
  2. Step 2: Convert to fraction form
    18,222.04/25,146.68 = 10,155.47/x
  3. Step 3: Cross multiply
    18,222.04x = 25,146.68 × 10,155.47
  4. Step 4: Simplify right side
    18,222.04x = 255,376,354.34
  5. Step 5: Solve for x
    x = 255,376,354.34/18,222.04
  6. Step 6: Final answer
    x = 14,014.70

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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.