Home / 14,018.10-19,345.14-7,730.43

Finding the Fourth Proportional to 14,018.10, 19,345.14 and 7,730.43

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Solution

The fourth proportional to 14,018.10, 19,345.14 and 7,730.43 is: 10,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.10 : 19,345.14 = 7,730.43 : x
  2. Step 2: Convert to fraction form
    14,018.10/19,345.14 = 7,730.43/x
  3. Step 3: Cross multiply
    14,018.10x = 19,345.14 × 7,730.43
  4. Step 4: Simplify right side
    14,018.10x = 149,546,250.61
  5. Step 5: Solve for x
    x = 149,546,250.61/14,018.10
  6. Step 6: Final answer
    x = 10,668.08

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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.