Home / 25,031.80-34,530.52-15,477.04

Finding the Fourth Proportional to 25,031.80, 34,530.52 and 15,477.04

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Solution

The fourth proportional to 25,031.80, 34,530.52 and 15,477.04 is: 21,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,031.80 : 34,530.52 = 15,477.04 : x
  2. Step 2: Convert to fraction form
    25,031.80/34,530.52 = 15,477.04/x
  3. Step 3: Cross multiply
    25,031.80x = 34,530.52 × 15,477.04
  4. Step 4: Simplify right side
    25,031.80x = 534,430,239.26
  5. Step 5: Solve for x
    x = 534,430,239.26/25,031.80
  6. Step 6: Final answer
    x = 21,350.05

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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.