Home / 13,898.77-19,210.30-12,294.07

Finding the Fourth Proportional to 13,898.77, 19,210.30 and 12,294.07

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Solution

The fourth proportional to 13,898.77, 19,210.30 and 12,294.07 is: 16,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.77 : 19,210.30 = 12,294.07 : x
  2. Step 2: Convert to fraction form
    13,898.77/19,210.30 = 12,294.07/x
  3. Step 3: Cross multiply
    13,898.77x = 19,210.30 × 12,294.07
  4. Step 4: Simplify right side
    13,898.77x = 236,172,694.16
  5. Step 5: Solve for x
    x = 236,172,694.16/13,898.77
  6. Step 6: Final answer
    x = 16,992.35

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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.