Home / 32,783.13-45,239.92-18,635.06

Finding the Fourth Proportional to 32,783.13, 45,239.92 and 18,635.06

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Solution

The fourth proportional to 32,783.13, 45,239.92 and 18,635.06 is: 25,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.13 : 45,239.92 = 18,635.06 : x
  2. Step 2: Convert to fraction form
    32,783.13/45,239.92 = 18,635.06/x
  3. Step 3: Cross multiply
    32,783.13x = 45,239.92 × 18,635.06
  4. Step 4: Simplify right side
    32,783.13x = 843,048,690.11
  5. Step 5: Solve for x
    x = 843,048,690.11/32,783.13
  6. Step 6: Final answer
    x = 25,715.93

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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.