Home / 14,281.85-21,435.08-8,048.00

Finding the Fourth Proportional to 14,281.85, 21,435.08 and 8,048.00

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Solution

The fourth proportional to 14,281.85, 21,435.08 and 8,048.00 is: 12,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.85 : 21,435.08 = 8,048.00 : x
  2. Step 2: Convert to fraction form
    14,281.85/21,435.08 = 8,048.00/x
  3. Step 3: Cross multiply
    14,281.85x = 21,435.08 × 8,048.00
  4. Step 4: Simplify right side
    14,281.85x = 172,509,376.42
  5. Step 5: Solve for x
    x = 172,509,376.42/14,281.85
  6. Step 6: Final answer
    x = 12,078.93

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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.