Home / 25,430.80-35,096.60-14,103.92

Finding the Fourth Proportional to 25,430.80, 35,096.60 and 14,103.92

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Solution

The fourth proportional to 25,430.80, 35,096.60 and 14,103.92 is: 19,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.80 : 35,096.60 = 14,103.92 : x
  2. Step 2: Convert to fraction form
    25,430.80/35,096.60 = 14,103.92/x
  3. Step 3: Cross multiply
    25,430.80x = 35,096.60 × 14,103.92
  4. Step 4: Simplify right side
    25,430.80x = 494,999,638.67
  5. Step 5: Solve for x
    x = 494,999,638.67/25,430.80
  6. Step 6: Final answer
    x = 19,464.57

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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.