Home / 19,312.86-26,654.00-11,763.61

Finding the Fourth Proportional to 19,312.86, 26,654.00 and 11,763.61

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Solution

The fourth proportional to 19,312.86, 26,654.00 and 11,763.61 is: 16,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.86 : 26,654.00 = 11,763.61 : x
  2. Step 2: Convert to fraction form
    19,312.86/26,654.00 = 11,763.61/x
  3. Step 3: Cross multiply
    19,312.86x = 26,654.00 × 11,763.61
  4. Step 4: Simplify right side
    19,312.86x = 313,547,285.42
  5. Step 5: Solve for x
    x = 313,547,285.42/19,312.86
  6. Step 6: Final answer
    x = 16,235.15

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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.