Home / 14,003.76-19,312.20-10,220.93

Finding the Fourth Proportional to 14,003.76, 19,312.20 and 10,220.93

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Solution

The fourth proportional to 14,003.76, 19,312.20 and 10,220.93 is: 14,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.76 : 19,312.20 = 10,220.93 : x
  2. Step 2: Convert to fraction form
    14,003.76/19,312.20 = 10,220.93/x
  3. Step 3: Cross multiply
    14,003.76x = 19,312.20 × 10,220.93
  4. Step 4: Simplify right side
    14,003.76x = 197,388,667.07
  5. Step 5: Solve for x
    x = 197,388,667.07/14,003.76
  6. Step 6: Final answer
    x = 14,095.41

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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.