Home / 32,845.76-45,315.88-18,503.36

Finding the Fourth Proportional to 32,845.76, 45,315.88 and 18,503.36

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Solution

The fourth proportional to 32,845.76, 45,315.88 and 18,503.36 is: 25,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,845.76 : 45,315.88 = 18,503.36 : x
  2. Step 2: Convert to fraction form
    32,845.76/45,315.88 = 18,503.36/x
  3. Step 3: Cross multiply
    32,845.76x = 45,315.88 × 18,503.36
  4. Step 4: Simplify right side
    32,845.76x = 838,496,041.36
  5. Step 5: Solve for x
    x = 838,496,041.36/32,845.76
  6. Step 6: Final answer
    x = 25,528.29

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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.