Home / 14,102.33-19,461.60-7,814.70

Finding the Fourth Proportional to 14,102.33, 19,461.60 and 7,814.70

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Solution

The fourth proportional to 14,102.33, 19,461.60 and 7,814.70 is: 10,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.33 : 19,461.60 = 7,814.70 : x
  2. Step 2: Convert to fraction form
    14,102.33/19,461.60 = 7,814.70/x
  3. Step 3: Cross multiply
    14,102.33x = 19,461.60 × 7,814.70
  4. Step 4: Simplify right side
    14,102.33x = 152,086,565.52
  5. Step 5: Solve for x
    x = 152,086,565.52/14,102.33
  6. Step 6: Final answer
    x = 10,784.50

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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.