Home / 25,409.45-35,070.90-16,911.91

Finding the Fourth Proportional to 25,409.45, 35,070.90 and 16,911.91

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Solution

The fourth proportional to 25,409.45, 35,070.90 and 16,911.91 is: 23,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.45 : 35,070.90 = 16,911.91 : x
  2. Step 2: Convert to fraction form
    25,409.45/35,070.90 = 16,911.91/x
  3. Step 3: Cross multiply
    25,409.45x = 35,070.90 × 16,911.91
  4. Step 4: Simplify right side
    25,409.45x = 593,116,031.04
  5. Step 5: Solve for x
    x = 593,116,031.04/25,409.45
  6. Step 6: Final answer
    x = 23,342.34

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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.