Home / 14,132.76-19,503.54-7,845

Finding the Fourth Proportional to 14,132.76, 19,503.54 and 7,845

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Solution

The fourth proportional to 14,132.76, 19,503.54 and 7,845 is: 10,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.76 : 19,503.54 = 7,845 : x
  2. Step 2: Convert to fraction form
    14,132.76/19,503.54 = 7,845/x
  3. Step 3: Cross multiply
    14,132.76x = 19,503.54 × 7,845
  4. Step 4: Simplify right side
    14,132.76x = 153,005,271.30
  5. Step 5: Solve for x
    x = 153,005,271.30/14,132.76
  6. Step 6: Final answer
    x = 10,826.28

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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.