Home / 32,869.80-45,360.81-18,722.34

Finding the Fourth Proportional to 32,869.80, 45,360.81 and 18,722.34

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Solution

The fourth proportional to 32,869.80, 45,360.81 and 18,722.34 is: 25,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,869.80 : 45,360.81 = 18,722.34 : x
  2. Step 2: Convert to fraction form
    32,869.80/45,360.81 = 18,722.34/x
  3. Step 3: Cross multiply
    32,869.80x = 45,360.81 × 18,722.34
  4. Step 4: Simplify right side
    32,869.80x = 849,260,507.50
  5. Step 5: Solve for x
    x = 849,260,507.50/32,869.80
  6. Step 6: Final answer
    x = 25,837.11

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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.