Home / 19,715.98-27,207.63-10,763.74

Finding the Fourth Proportional to 19,715.98, 27,207.63 and 10,763.74

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Solution

The fourth proportional to 19,715.98, 27,207.63 and 10,763.74 is: 14,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.98 : 27,207.63 = 10,763.74 : x
  2. Step 2: Convert to fraction form
    19,715.98/27,207.63 = 10,763.74/x
  3. Step 3: Cross multiply
    19,715.98x = 27,207.63 × 10,763.74
  4. Step 4: Simplify right side
    19,715.98x = 292,855,855.34
  5. Step 5: Solve for x
    x = 292,855,855.34/19,715.98
  6. Step 6: Final answer
    x = 14,853.73

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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.