Home / 19,354.86-26,700.03-12,270.06

Finding the Fourth Proportional to 19,354.86, 26,700.03 and 12,270.06

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Solution

The fourth proportional to 19,354.86, 26,700.03 and 12,270.06 is: 16,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.86 : 26,700.03 = 12,270.06 : x
  2. Step 2: Convert to fraction form
    19,354.86/26,700.03 = 12,270.06/x
  3. Step 3: Cross multiply
    19,354.86x = 26,700.03 × 12,270.06
  4. Step 4: Simplify right side
    19,354.86x = 327,610,970.10
  5. Step 5: Solve for x
    x = 327,610,970.10/19,354.86
  6. Step 6: Final answer
    x = 16,926.55

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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.