Home / 14,870.70-20,523.30-8,498.33

Finding the Fourth Proportional to 14,870.70, 20,523.30 and 8,498.33

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Solution

The fourth proportional to 14,870.70, 20,523.30 and 8,498.33 is: 11,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.70 : 20,523.30 = 8,498.33 : x
  2. Step 2: Convert to fraction form
    14,870.70/20,523.30 = 8,498.33/x
  3. Step 3: Cross multiply
    14,870.70x = 20,523.30 × 8,498.33
  4. Step 4: Simplify right side
    14,870.70x = 174,413,776.09
  5. Step 5: Solve for x
    x = 174,413,776.09/14,870.70
  6. Step 6: Final answer
    x = 11,728.69

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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.