Home / 13,953.13-19,253.70-7,984.44

Finding the Fourth Proportional to 13,953.13, 19,253.70 and 7,984.44

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Solution

The fourth proportional to 13,953.13, 19,253.70 and 7,984.44 is: 11,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.13 : 19,253.70 = 7,984.44 : x
  2. Step 2: Convert to fraction form
    13,953.13/19,253.70 = 7,984.44/x
  3. Step 3: Cross multiply
    13,953.13x = 19,253.70 × 7,984.44
  4. Step 4: Simplify right side
    13,953.13x = 153,730,012.43
  5. Step 5: Solve for x
    x = 153,730,012.43/13,953.13
  6. Step 6: Final answer
    x = 11,017.60

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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.