Home / 14,063.17-19,407.09-7,775.50

Finding the Fourth Proportional to 14,063.17, 19,407.09 and 7,775.50

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Solution

The fourth proportional to 14,063.17, 19,407.09 and 7,775.50 is: 10,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.17 : 19,407.09 = 7,775.50 : x
  2. Step 2: Convert to fraction form
    14,063.17/19,407.09 = 7,775.50/x
  3. Step 3: Cross multiply
    14,063.17x = 19,407.09 × 7,775.50
  4. Step 4: Simplify right side
    14,063.17x = 150,899,828.30
  5. Step 5: Solve for x
    x = 150,899,828.30/14,063.17
  6. Step 6: Final answer
    x = 10,730.14

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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.