Home / 14,020.04-21,030.10-5,248.80

Finding the Fourth Proportional to 14,020.04, 21,030.10 and 5,248.80

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Solution

The fourth proportional to 14,020.04, 21,030.10 and 5,248.80 is: 7,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.04 : 21,030.10 = 5,248.80 : x
  2. Step 2: Convert to fraction form
    14,020.04/21,030.10 = 5,248.80/x
  3. Step 3: Cross multiply
    14,020.04x = 21,030.10 × 5,248.80
  4. Step 4: Simplify right side
    14,020.04x = 110,382,788.88
  5. Step 5: Solve for x
    x = 110,382,788.88/14,020.04
  6. Step 6: Final answer
    x = 7,873.21

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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.