Home / 23,124.04-31,911.25-12,513.67

Finding the Fourth Proportional to 23,124.04, 31,911.25 and 12,513.67

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Solution

The fourth proportional to 23,124.04, 31,911.25 and 12,513.67 is: 17,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.04 : 31,911.25 = 12,513.67 : x
  2. Step 2: Convert to fraction form
    23,124.04/31,911.25 = 12,513.67/x
  3. Step 3: Cross multiply
    23,124.04x = 31,911.25 × 12,513.67
  4. Step 4: Simplify right side
    23,124.04x = 399,326,787.65
  5. Step 5: Solve for x
    x = 399,326,787.65/23,124.04
  6. Step 6: Final answer
    x = 17,268.90

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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.