Home / 25,409.40-35,070.80-16,911.89

Finding the Fourth Proportional to 25,409.40, 35,070.80 and 16,911.89

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Solution

The fourth proportional to 25,409.40, 35,070.80 and 16,911.89 is: 23,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.40 : 35,070.80 = 16,911.89 : x
  2. Step 2: Convert to fraction form
    25,409.40/35,070.80 = 16,911.89/x
  3. Step 3: Cross multiply
    25,409.40x = 35,070.80 × 16,911.89
  4. Step 4: Simplify right side
    25,409.40x = 593,113,251.90
  5. Step 5: Solve for x
    x = 593,113,251.90/25,409.40
  6. Step 6: Final answer
    x = 23,342.28

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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.