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Finding the Fourth Proportional to 14,038.88, 19,373.66 and 7,751.26

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Solution

The fourth proportional to 14,038.88, 19,373.66 and 7,751.26 is: 10,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.88 : 19,373.66 = 7,751.26 : x
  2. Step 2: Convert to fraction form
    14,038.88/19,373.66 = 7,751.26/x
  3. Step 3: Cross multiply
    14,038.88x = 19,373.66 × 7,751.26
  4. Step 4: Simplify right side
    14,038.88x = 150,170,275.81
  5. Step 5: Solve for x
    x = 150,170,275.81/14,038.88
  6. Step 6: Final answer
    x = 10,696.74

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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.