Home / 19,038.92-26,256.56-12,317.54

Finding the Fourth Proportional to 19,038.92, 26,256.56 and 12,317.54

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Solution

The fourth proportional to 19,038.92, 26,256.56 and 12,317.54 is: 16,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.92 : 26,256.56 = 12,317.54 : x
  2. Step 2: Convert to fraction form
    19,038.92/26,256.56 = 12,317.54/x
  3. Step 3: Cross multiply
    19,038.92x = 26,256.56 × 12,317.54
  4. Step 4: Simplify right side
    19,038.92x = 323,416,228.06
  5. Step 5: Solve for x
    x = 323,416,228.06/19,038.92
  6. Step 6: Final answer
    x = 16,987.11

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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.