Home / 13,056.84-19,560.59-10,120.77

Finding the Fourth Proportional to 13,056.84, 19,560.59 and 10,120.77

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Solution

The fourth proportional to 13,056.84, 19,560.59 and 10,120.77 is: 15,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.84 : 19,560.59 = 10,120.77 : x
  2. Step 2: Convert to fraction form
    13,056.84/19,560.59 = 10,120.77/x
  3. Step 3: Cross multiply
    13,056.84x = 19,560.59 × 10,120.77
  4. Step 4: Simplify right side
    13,056.84x = 197,968,257.76
  5. Step 5: Solve for x
    x = 197,968,257.76/13,056.84
  6. Step 6: Final answer
    x = 15,162.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.