Home / 33,528.40-46,269.12-18,421.45

Finding the Fourth Proportional to 33,528.40, 46,269.12 and 18,421.45

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Solution

The fourth proportional to 33,528.40, 46,269.12 and 18,421.45 is: 25,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,528.40 : 46,269.12 = 18,421.45 : x
  2. Step 2: Convert to fraction form
    33,528.40/46,269.12 = 18,421.45/x
  3. Step 3: Cross multiply
    33,528.40x = 46,269.12 × 18,421.45
  4. Step 4: Simplify right side
    33,528.40x = 852,344,280.62
  5. Step 5: Solve for x
    x = 852,344,280.62/33,528.40
  6. Step 6: Final answer
    x = 25,421.56

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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.