Home / 19,715.91-27,207.54-10,762.98

Finding the Fourth Proportional to 19,715.91, 27,207.54 and 10,762.98

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Solution

The fourth proportional to 19,715.91, 27,207.54 and 10,762.98 is: 14,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.91 : 27,207.54 = 10,762.98 : x
  2. Step 2: Convert to fraction form
    19,715.91/27,207.54 = 10,762.98/x
  3. Step 3: Cross multiply
    19,715.91x = 27,207.54 × 10,762.98
  4. Step 4: Simplify right side
    19,715.91x = 292,834,208.87
  5. Step 5: Solve for x
    x = 292,834,208.87/19,715.91
  6. Step 6: Final answer
    x = 14,852.69

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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.