Home / 43,586.70-65,347.65-18,606.30

Finding the Fourth Proportional to 43,586.70, 65,347.65 and 18,606.30

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Solution

The fourth proportional to 43,586.70, 65,347.65 and 18,606.30 is: 27,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,586.70 : 65,347.65 = 18,606.30 : x
  2. Step 2: Convert to fraction form
    43,586.70/65,347.65 = 18,606.30/x
  3. Step 3: Cross multiply
    43,586.70x = 65,347.65 × 18,606.30
  4. Step 4: Simplify right side
    43,586.70x = 1,215,877,980.20
  5. Step 5: Solve for x
    x = 1,215,877,980.20/43,586.70
  6. Step 6: Final answer
    x = 27,895.62

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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.