Home / 14,036.80-21,042.96-5,269.36

Finding the Fourth Proportional to 14,036.80, 21,042.96 and 5,269.36

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Solution

The fourth proportional to 14,036.80, 21,042.96 and 5,269.36 is: 7,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.80 : 21,042.96 = 5,269.36 : x
  2. Step 2: Convert to fraction form
    14,036.80/21,042.96 = 5,269.36/x
  3. Step 3: Cross multiply
    14,036.80x = 21,042.96 × 5,269.36
  4. Step 4: Simplify right side
    14,036.80x = 110,882,931.71
  5. Step 5: Solve for x
    x = 110,882,931.71/14,036.80
  6. Step 6: Final answer
    x = 7,899.45

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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.