Home / 32,857.76-45,343.66-18,710.60

Finding the Fourth Proportional to 32,857.76, 45,343.66 and 18,710.60

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Solution

The fourth proportional to 32,857.76, 45,343.66 and 18,710.60 is: 25,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,857.76 : 45,343.66 = 18,710.60 : x
  2. Step 2: Convert to fraction form
    32,857.76/45,343.66 = 18,710.60/x
  3. Step 3: Cross multiply
    32,857.76x = 45,343.66 × 18,710.60
  4. Step 4: Simplify right side
    32,857.76x = 848,406,877.88
  5. Step 5: Solve for x
    x = 848,406,877.88/32,857.76
  6. Step 6: Final answer
    x = 25,820.60

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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.