Home / 19,315.92-26,656.08-11,358.48

Finding the Fourth Proportional to 19,315.92, 26,656.08 and 11,358.48

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Solution

The fourth proportional to 19,315.92, 26,656.08 and 11,358.48 is: 15,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.92 : 26,656.08 = 11,358.48 : x
  2. Step 2: Convert to fraction form
    19,315.92/26,656.08 = 11,358.48/x
  3. Step 3: Cross multiply
    19,315.92x = 26,656.08 × 11,358.48
  4. Step 4: Simplify right side
    19,315.92x = 302,772,551.56
  5. Step 5: Solve for x
    x = 302,772,551.56/19,315.92
  6. Step 6: Final answer
    x = 15,674.77

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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.