Home / 15,403.65-23,108.96-4,874.32

Finding the Fourth Proportional to 15,403.65, 23,108.96 and 4,874.32

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Solution

The fourth proportional to 15,403.65, 23,108.96 and 4,874.32 is: 7,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.65 : 23,108.96 = 4,874.32 : x
  2. Step 2: Convert to fraction form
    15,403.65/23,108.96 = 4,874.32/x
  3. Step 3: Cross multiply
    15,403.65x = 23,108.96 × 4,874.32
  4. Step 4: Simplify right side
    15,403.65x = 112,640,465.91
  5. Step 5: Solve for x
    x = 112,640,465.91/15,403.65
  6. Step 6: Final answer
    x = 7,312.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.