Home / 14,307.12-21,466.80-5,989.08

Finding the Fourth Proportional to 14,307.12, 21,466.80 and 5,989.08

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Solution

The fourth proportional to 14,307.12, 21,466.80 and 5,989.08 is: 8,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.12 : 21,466.80 = 5,989.08 : x
  2. Step 2: Convert to fraction form
    14,307.12/21,466.80 = 5,989.08/x
  3. Step 3: Cross multiply
    14,307.12x = 21,466.80 × 5,989.08
  4. Step 4: Simplify right side
    14,307.12x = 128,566,382.54
  5. Step 5: Solve for x
    x = 128,566,382.54/14,307.12
  6. Step 6: Final answer
    x = 8,986.18

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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.