Home / 25,406.01-35,077.40-15,860.43

Finding the Fourth Proportional to 25,406.01, 35,077.40 and 15,860.43

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Solution

The fourth proportional to 25,406.01, 35,077.40 and 15,860.43 is: 21,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.01 : 35,077.40 = 15,860.43 : x
  2. Step 2: Convert to fraction form
    25,406.01/35,077.40 = 15,860.43/x
  3. Step 3: Cross multiply
    25,406.01x = 35,077.40 × 15,860.43
  4. Step 4: Simplify right side
    25,406.01x = 556,342,567.98
  5. Step 5: Solve for x
    x = 556,342,567.98/25,406.01
  6. Step 6: Final answer
    x = 21,898.07

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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.