Home / 14,858.25-20,505.30-8,570.63

Finding the Fourth Proportional to 14,858.25, 20,505.30 and 8,570.63

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Solution

The fourth proportional to 14,858.25, 20,505.30 and 8,570.63 is: 11,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.25 : 20,505.30 = 8,570.63 : x
  2. Step 2: Convert to fraction form
    14,858.25/20,505.30 = 8,570.63/x
  3. Step 3: Cross multiply
    14,858.25x = 20,505.30 × 8,570.63
  4. Step 4: Simplify right side
    14,858.25x = 175,743,236.81
  5. Step 5: Solve for x
    x = 175,743,236.81/14,858.25
  6. Step 6: Final answer
    x = 11,827.99

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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.