Home / 35,156.62-52,733.55-12,960.40

Finding the Fourth Proportional to 35,156.62, 52,733.55 and 12,960.40

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Solution

The fourth proportional to 35,156.62, 52,733.55 and 12,960.40 is: 19,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,156.62 : 52,733.55 = 12,960.40 : x
  2. Step 2: Convert to fraction form
    35,156.62/52,733.55 = 12,960.40/x
  3. Step 3: Cross multiply
    35,156.62x = 52,733.55 × 12,960.40
  4. Step 4: Simplify right side
    35,156.62x = 683,447,901.42
  5. Step 5: Solve for x
    x = 683,447,901.42/35,156.62
  6. Step 6: Final answer
    x = 19,440.09

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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.