Home / 14,514.84-20,030.69-8,464.91

Finding the Fourth Proportional to 14,514.84, 20,030.69 and 8,464.91

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Solution

The fourth proportional to 14,514.84, 20,030.69 and 8,464.91 is: 11,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.84 : 20,030.69 = 8,464.91 : x
  2. Step 2: Convert to fraction form
    14,514.84/20,030.69 = 8,464.91/x
  3. Step 3: Cross multiply
    14,514.84x = 20,030.69 × 8,464.91
  4. Step 4: Simplify right side
    14,514.84x = 169,557,988.09
  5. Step 5: Solve for x
    x = 169,557,988.09/14,514.84
  6. Step 6: Final answer
    x = 11,681.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.