Home / 32,712.36-45,143.64-18,563.69

Finding the Fourth Proportional to 32,712.36, 45,143.64 and 18,563.69

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Solution

The fourth proportional to 32,712.36, 45,143.64 and 18,563.69 is: 25,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.36 : 45,143.64 = 18,563.69 : x
  2. Step 2: Convert to fraction form
    32,712.36/45,143.64 = 18,563.69/x
  3. Step 3: Cross multiply
    32,712.36x = 45,143.64 × 18,563.69
  4. Step 4: Simplify right side
    32,712.36x = 838,032,312.71
  5. Step 5: Solve for x
    x = 838,032,312.71/32,712.36
  6. Step 6: Final answer
    x = 25,618.22

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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.