Home / 19,618.36-27,073.50-10,665.86

Finding the Fourth Proportional to 19,618.36, 27,073.50 and 10,665.86

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Solution

The fourth proportional to 19,618.36, 27,073.50 and 10,665.86 is: 14,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.36 : 27,073.50 = 10,665.86 : x
  2. Step 2: Convert to fraction form
    19,618.36/27,073.50 = 10,665.86/x
  3. Step 3: Cross multiply
    19,618.36x = 27,073.50 × 10,665.86
  4. Step 4: Simplify right side
    19,618.36x = 288,762,160.71
  5. Step 5: Solve for x
    x = 288,762,160.71/19,618.36
  6. Step 6: Final answer
    x = 14,718.98

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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.