Home / 19,200.64-26,500.32-11,242.40

Finding the Fourth Proportional to 19,200.64, 26,500.32 and 11,242.40

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Solution

The fourth proportional to 19,200.64, 26,500.32 and 11,242.40 is: 15,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.64 : 26,500.32 = 11,242.40 : x
  2. Step 2: Convert to fraction form
    19,200.64/26,500.32 = 11,242.40/x
  3. Step 3: Cross multiply
    19,200.64x = 26,500.32 × 11,242.40
  4. Step 4: Simplify right side
    19,200.64x = 297,927,197.57
  5. Step 5: Solve for x
    x = 297,927,197.57/19,200.64
  6. Step 6: Final answer
    x = 15,516.52

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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.