Home / 18,701.40-28,056.24-6,225.60

Finding the Fourth Proportional to 18,701.40, 28,056.24 and 6,225.60

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Solution

The fourth proportional to 18,701.40, 28,056.24 and 6,225.60 is: 9,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.40 : 28,056.24 = 6,225.60 : x
  2. Step 2: Convert to fraction form
    18,701.40/28,056.24 = 6,225.60/x
  3. Step 3: Cross multiply
    18,701.40x = 28,056.24 × 6,225.60
  4. Step 4: Simplify right side
    18,701.40x = 174,666,927.74
  5. Step 5: Solve for x
    x = 174,666,927.74/18,701.40
  6. Step 6: Final answer
    x = 9,339.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.