Home / 19,354.61-26,707.76-10,855.55

Finding the Fourth Proportional to 19,354.61, 26,707.76 and 10,855.55

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Solution

The fourth proportional to 19,354.61, 26,707.76 and 10,855.55 is: 14,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.61 : 26,707.76 = 10,855.55 : x
  2. Step 2: Convert to fraction form
    19,354.61/26,707.76 = 10,855.55/x
  3. Step 3: Cross multiply
    19,354.61x = 26,707.76 × 10,855.55
  4. Step 4: Simplify right side
    19,354.61x = 289,927,477.27
  5. Step 5: Solve for x
    x = 289,927,477.27/19,354.61
  6. Step 6: Final answer
    x = 14,979.76

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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.