Home / 25,685.10-35,429.04-16,622.28

Finding the Fourth Proportional to 25,685.10, 35,429.04 and 16,622.28

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Solution

The fourth proportional to 25,685.10, 35,429.04 and 16,622.28 is: 22,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.10 : 35,429.04 = 16,622.28 : x
  2. Step 2: Convert to fraction form
    25,685.10/35,429.04 = 16,622.28/x
  3. Step 3: Cross multiply
    25,685.10x = 35,429.04 × 16,622.28
  4. Step 4: Simplify right side
    25,685.10x = 588,911,423.01
  5. Step 5: Solve for x
    x = 588,911,423.01/25,685.10
  6. Step 6: Final answer
    x = 22,928.13

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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.