Home / 19,307.91-28,842.07-14,000.79

Finding the Fourth Proportional to 19,307.91, 28,842.07 and 14,000.79

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Solution

The fourth proportional to 19,307.91, 28,842.07 and 14,000.79 is: 20,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.91 : 28,842.07 = 14,000.79 : x
  2. Step 2: Convert to fraction form
    19,307.91/28,842.07 = 14,000.79/x
  3. Step 3: Cross multiply
    19,307.91x = 28,842.07 × 14,000.79
  4. Step 4: Simplify right side
    19,307.91x = 403,811,730.23
  5. Step 5: Solve for x
    x = 403,811,730.23/19,307.91
  6. Step 6: Final answer
    x = 20,914.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.