Home / 29,477.26-40,666.56-18,143.32

Finding the Fourth Proportional to 29,477.26, 40,666.56 and 18,143.32

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Solution

The fourth proportional to 29,477.26, 40,666.56 and 18,143.32 is: 25,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.26 : 40,666.56 = 18,143.32 : x
  2. Step 2: Convert to fraction form
    29,477.26/40,666.56 = 18,143.32/x
  3. Step 3: Cross multiply
    29,477.26x = 40,666.56 × 18,143.32
  4. Step 4: Simplify right side
    29,477.26x = 737,826,411.38
  5. Step 5: Solve for x
    x = 737,826,411.38/29,477.26
  6. Step 6: Final answer
    x = 25,030.36

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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.