Home / 45,062.81-67,595.13-13,898.06

Finding the Fourth Proportional to 45,062.81, 67,595.13 and 13,898.06

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Solution

The fourth proportional to 45,062.81, 67,595.13 and 13,898.06 is: 20,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,062.81 : 67,595.13 = 13,898.06 : x
  2. Step 2: Convert to fraction form
    45,062.81/67,595.13 = 13,898.06/x
  3. Step 3: Cross multiply
    45,062.81x = 67,595.13 × 13,898.06
  4. Step 4: Simplify right side
    45,062.81x = 939,441,172.45
  5. Step 5: Solve for x
    x = 939,441,172.45/45,062.81
  6. Step 6: Final answer
    x = 20,847.37

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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.