Home / 19,038.72-26,431.68-18,468.48

Finding the Fourth Proportional to 19,038.72, 26,431.68 and 18,468.48

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Solution

The fourth proportional to 19,038.72, 26,431.68 and 18,468.48 is: 25,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.72 : 26,431.68 = 18,468.48 : x
  2. Step 2: Convert to fraction form
    19,038.72/26,431.68 = 18,468.48/x
  3. Step 3: Cross multiply
    19,038.72x = 26,431.68 × 18,468.48
  4. Step 4: Simplify right side
    19,038.72x = 488,152,953.45
  5. Step 5: Solve for x
    x = 488,152,953.45/19,038.72
  6. Step 6: Final answer
    x = 25,640.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.