Home / 19,134.61-26,405.75-10,636.47

Finding the Fourth Proportional to 19,134.61, 26,405.75 and 10,636.47

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Solution

The fourth proportional to 19,134.61, 26,405.75 and 10,636.47 is: 14,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.61 : 26,405.75 = 10,636.47 : x
  2. Step 2: Convert to fraction form
    19,134.61/26,405.75 = 10,636.47/x
  3. Step 3: Cross multiply
    19,134.61x = 26,405.75 × 10,636.47
  4. Step 4: Simplify right side
    19,134.61x = 280,863,782.49
  5. Step 5: Solve for x
    x = 280,863,782.49/19,134.61
  6. Step 6: Final answer
    x = 14,678.31

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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.