Home / 14,031.19-21,057.49-5,154.93

Finding the Fourth Proportional to 14,031.19, 21,057.49 and 5,154.93

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Solution

The fourth proportional to 14,031.19, 21,057.49 and 5,154.93 is: 7,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.19 : 21,057.49 = 5,154.93 : x
  2. Step 2: Convert to fraction form
    14,031.19/21,057.49 = 5,154.93/x
  3. Step 3: Cross multiply
    14,031.19x = 21,057.49 × 5,154.93
  4. Step 4: Simplify right side
    14,031.19x = 108,549,845.63
  5. Step 5: Solve for x
    x = 108,549,845.63/14,031.19
  6. Step 6: Final answer
    x = 7,736.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.