Home / 14,193.60-19,587.52-7,820.48

Finding the Fourth Proportional to 14,193.60, 19,587.52 and 7,820.48

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Solution

The fourth proportional to 14,193.60, 19,587.52 and 7,820.48 is: 10,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.60 : 19,587.52 = 7,820.48 : x
  2. Step 2: Convert to fraction form
    14,193.60/19,587.52 = 7,820.48/x
  3. Step 3: Cross multiply
    14,193.60x = 19,587.52 × 7,820.48
  4. Step 4: Simplify right side
    14,193.60x = 153,183,808.41
  5. Step 5: Solve for x
    x = 153,183,808.41/14,193.60
  6. Step 6: Final answer
    x = 10,792.46

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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.