Home / 14,521.12-21,784.56-4,661.44

Finding the Fourth Proportional to 14,521.12, 21,784.56 and 4,661.44

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Solution

The fourth proportional to 14,521.12, 21,784.56 and 4,661.44 is: 6,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.12 : 21,784.56 = 4,661.44 : x
  2. Step 2: Convert to fraction form
    14,521.12/21,784.56 = 4,661.44/x
  3. Step 3: Cross multiply
    14,521.12x = 21,784.56 × 4,661.44
  4. Step 4: Simplify right side
    14,521.12x = 101,547,419.37
  5. Step 5: Solve for x
    x = 101,547,419.37/14,521.12
  6. Step 6: Final answer
    x = 6,993.08

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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.