Home / 32,632.34-45,032.79-18,485.19

Finding the Fourth Proportional to 32,632.34, 45,032.79 and 18,485.19

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Solution

The fourth proportional to 32,632.34, 45,032.79 and 18,485.19 is: 25,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,632.34 : 45,032.79 = 18,485.19 : x
  2. Step 2: Convert to fraction form
    32,632.34/45,032.79 = 18,485.19/x
  3. Step 3: Cross multiply
    32,632.34x = 45,032.79 × 18,485.19
  4. Step 4: Simplify right side
    32,632.34x = 832,439,679.38
  5. Step 5: Solve for x
    x = 832,439,679.38/32,632.34
  6. Step 6: Final answer
    x = 25,509.65

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Double scale
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Similar ratio
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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.