Home / 18,153.76-25,051.72-10,196.32

Finding the Fourth Proportional to 18,153.76, 25,051.72 and 10,196.32

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Solution

The fourth proportional to 18,153.76, 25,051.72 and 10,196.32 is: 14,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.76 : 25,051.72 = 10,196.32 : x
  2. Step 2: Convert to fraction form
    18,153.76/25,051.72 = 10,196.32/x
  3. Step 3: Cross multiply
    18,153.76x = 25,051.72 × 10,196.32
  4. Step 4: Simplify right side
    18,153.76x = 255,435,353.67
  5. Step 5: Solve for x
    x = 255,435,353.67/18,153.76
  6. Step 6: Final answer
    x = 14,070.66

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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.