Home / 14,206.30-21,316.49-10,448.81

Finding the Fourth Proportional to 14,206.30, 21,316.49 and 10,448.81

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Solution

The fourth proportional to 14,206.30, 21,316.49 and 10,448.81 is: 15,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.30 : 21,316.49 = 10,448.81 : x
  2. Step 2: Convert to fraction form
    14,206.30/21,316.49 = 10,448.81/x
  3. Step 3: Cross multiply
    14,206.30x = 21,316.49 × 10,448.81
  4. Step 4: Simplify right side
    14,206.30x = 222,731,901.63
  5. Step 5: Solve for x
    x = 222,731,901.63/14,206.30
  6. Step 6: Final answer
    x = 15,678.39

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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.