Home / 25,155.36-34,725.04-16,980.74

Finding the Fourth Proportional to 25,155.36, 34,725.04 and 16,980.74

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Solution

The fourth proportional to 25,155.36, 34,725.04 and 16,980.74 is: 23,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.36 : 34,725.04 = 16,980.74 : x
  2. Step 2: Convert to fraction form
    25,155.36/34,725.04 = 16,980.74/x
  3. Step 3: Cross multiply
    25,155.36x = 34,725.04 × 16,980.74
  4. Step 4: Simplify right side
    25,155.36x = 589,656,875.73
  5. Step 5: Solve for x
    x = 589,656,875.73/25,155.36
  6. Step 6: Final answer
    x = 23,440.61

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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.