Home / 32,721.92-45,157.44-18,574.40

Finding the Fourth Proportional to 32,721.92, 45,157.44 and 18,574.40

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Solution

The fourth proportional to 32,721.92, 45,157.44 and 18,574.40 is: 25,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.92 : 45,157.44 = 18,574.40 : x
  2. Step 2: Convert to fraction form
    32,721.92/45,157.44 = 18,574.40/x
  3. Step 3: Cross multiply
    32,721.92x = 45,157.44 × 18,574.40
  4. Step 4: Simplify right side
    32,721.92x = 838,772,353.54
  5. Step 5: Solve for x
    x = 838,772,353.54/32,721.92
  6. Step 6: Final answer
    x = 25,633.35

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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.