Home / 19,302.91-26,638.67-11,345.02

Finding the Fourth Proportional to 19,302.91, 26,638.67 and 11,345.02

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Solution

The fourth proportional to 19,302.91, 26,638.67 and 11,345.02 is: 15,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.91 : 26,638.67 = 11,345.02 : x
  2. Step 2: Convert to fraction form
    19,302.91/26,638.67 = 11,345.02/x
  3. Step 3: Cross multiply
    19,302.91x = 26,638.67 × 11,345.02
  4. Step 4: Simplify right side
    19,302.91x = 302,216,243.92
  5. Step 5: Solve for x
    x = 302,216,243.92/19,302.91
  6. Step 6: Final answer
    x = 15,656.51

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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.