Home / 32,866.08-45,359.64-18,720.24

Finding the Fourth Proportional to 32,866.08, 45,359.64 and 18,720.24

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Solution

The fourth proportional to 32,866.08, 45,359.64 and 18,720.24 is: 25,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,866.08 : 45,359.64 = 18,720.24 : x
  2. Step 2: Convert to fraction form
    32,866.08/45,359.64 = 18,720.24/x
  3. Step 3: Cross multiply
    32,866.08x = 45,359.64 × 18,720.24
  4. Step 4: Simplify right side
    32,866.08x = 849,143,347.11
  5. Step 5: Solve for x
    x = 849,143,347.11/32,866.08
  6. Step 6: Final answer
    x = 25,836.47

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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.