Home / 32,985.84-45,521.88-18,839.76

Finding the Fourth Proportional to 32,985.84, 45,521.88 and 18,839.76

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Solution

The fourth proportional to 32,985.84, 45,521.88 and 18,839.76 is: 25,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985.84 : 45,521.88 = 18,839.76 : x
  2. Step 2: Convert to fraction form
    32,985.84/45,521.88 = 18,839.76/x
  3. Step 3: Cross multiply
    32,985.84x = 45,521.88 × 18,839.76
  4. Step 4: Simplify right side
    32,985.84x = 857,621,293.95
  5. Step 5: Solve for x
    x = 857,621,293.95/32,985.84
  6. Step 6: Final answer
    x = 25,999.68

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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.