Home / 13,935.76-19,225.24-8,343.52

Finding the Fourth Proportional to 13,935.76, 19,225.24 and 8,343.52

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Solution

The fourth proportional to 13,935.76, 19,225.24 and 8,343.52 is: 11,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.76 : 19,225.24 = 8,343.52 : x
  2. Step 2: Convert to fraction form
    13,935.76/19,225.24 = 8,343.52/x
  3. Step 3: Cross multiply
    13,935.76x = 19,225.24 × 8,343.52
  4. Step 4: Simplify right side
    13,935.76x = 160,406,174.44
  5. Step 5: Solve for x
    x = 160,406,174.44/13,935.76
  6. Step 6: Final answer
    x = 11,510.40

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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.