Home / 25,478.08-35,157.46-14,865.66

Finding the Fourth Proportional to 25,478.08, 35,157.46 and 14,865.66

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Solution

The fourth proportional to 25,478.08, 35,157.46 and 14,865.66 is: 20,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.08 : 35,157.46 = 14,865.66 : x
  2. Step 2: Convert to fraction form
    25,478.08/35,157.46 = 14,865.66/x
  3. Step 3: Cross multiply
    25,478.08x = 35,157.46 × 14,865.66
  4. Step 4: Simplify right side
    25,478.08x = 522,638,846.82
  5. Step 5: Solve for x
    x = 522,638,846.82/25,478.08
  6. Step 6: Final answer
    x = 20,513.27

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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.