Home / 14,020.88-21,030.86-5,698.44

Finding the Fourth Proportional to 14,020.88, 21,030.86 and 5,698.44

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Solution

The fourth proportional to 14,020.88, 21,030.86 and 5,698.44 is: 8,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.88 : 21,030.86 = 5,698.44 : x
  2. Step 2: Convert to fraction form
    14,020.88/21,030.86 = 5,698.44/x
  3. Step 3: Cross multiply
    14,020.88x = 21,030.86 × 5,698.44
  4. Step 4: Simplify right side
    14,020.88x = 119,843,093.86
  5. Step 5: Solve for x
    x = 119,843,093.86/14,020.88
  6. Step 6: Final answer
    x = 8,547.47

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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.