Home / 18,628.10-25,706.73-10,670.32

Finding the Fourth Proportional to 18,628.10, 25,706.73 and 10,670.32

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Solution

The fourth proportional to 18,628.10, 25,706.73 and 10,670.32 is: 14,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.10 : 25,706.73 = 10,670.32 : x
  2. Step 2: Convert to fraction form
    18,628.10/25,706.73 = 10,670.32/x
  3. Step 3: Cross multiply
    18,628.10x = 25,706.73 × 10,670.32
  4. Step 4: Simplify right side
    18,628.10x = 274,299,035.25
  5. Step 5: Solve for x
    x = 274,299,035.25/18,628.10
  6. Step 6: Final answer
    x = 14,725.01

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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.