Home / 15,143.15-22,715.51-4,612.34

Finding the Fourth Proportional to 15,143.15, 22,715.51 and 4,612.34

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Solution

The fourth proportional to 15,143.15, 22,715.51 and 4,612.34 is: 6,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.15 : 22,715.51 = 4,612.34 : x
  2. Step 2: Convert to fraction form
    15,143.15/22,715.51 = 4,612.34/x
  3. Step 3: Cross multiply
    15,143.15x = 22,715.51 × 4,612.34
  4. Step 4: Simplify right side
    15,143.15x = 104,771,689.12
  5. Step 5: Solve for x
    x = 104,771,689.12/15,143.15
  6. Step 6: Final answer
    x = 6,918.75

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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.