Home / 19,368.72-26,723.52-11,816.28

Finding the Fourth Proportional to 19,368.72, 26,723.52 and 11,816.28

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Solution

The fourth proportional to 19,368.72, 26,723.52 and 11,816.28 is: 16,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.72 : 26,723.52 = 11,816.28 : x
  2. Step 2: Convert to fraction form
    19,368.72/26,723.52 = 11,816.28/x
  3. Step 3: Cross multiply
    19,368.72x = 26,723.52 × 11,816.28
  4. Step 4: Simplify right side
    19,368.72x = 315,772,594.91
  5. Step 5: Solve for x
    x = 315,772,594.91/19,368.72
  6. Step 6: Final answer
    x = 16,303.22

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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.