Home / 42,766.70-64,143.98-14,686.30

Finding the Fourth Proportional to 42,766.70, 64,143.98 and 14,686.30

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Solution

The fourth proportional to 42,766.70, 64,143.98 and 14,686.30 is: 22,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.70 : 64,143.98 = 14,686.30 : x
  2. Step 2: Convert to fraction form
    42,766.70/64,143.98 = 14,686.30/x
  3. Step 3: Cross multiply
    42,766.70x = 64,143.98 × 14,686.30
  4. Step 4: Simplify right side
    42,766.70x = 942,037,554.76
  5. Step 5: Solve for x
    x = 942,037,554.76/42,766.70
  6. Step 6: Final answer
    x = 22,027.36

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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.