Home / 35,511.46-53,253.34-13,312.72

Finding the Fourth Proportional to 35,511.46, 53,253.34 and 13,312.72

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Solution

The fourth proportional to 35,511.46, 53,253.34 and 13,312.72 is: 19,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,511.46 : 53,253.34 = 13,312.72 : x
  2. Step 2: Convert to fraction form
    35,511.46/53,253.34 = 13,312.72/x
  3. Step 3: Cross multiply
    35,511.46x = 53,253.34 × 13,312.72
  4. Step 4: Simplify right side
    35,511.46x = 708,946,721.28
  5. Step 5: Solve for x
    x = 708,946,721.28/35,511.46
  6. Step 6: Final answer
    x = 19,963.89

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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.