Home / 23,124.81-31,912.35-13,053.69

Finding the Fourth Proportional to 23,124.81, 31,912.35 and 13,053.69

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Solution

The fourth proportional to 23,124.81, 31,912.35 and 13,053.69 is: 18,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.81 : 31,912.35 = 13,053.69 : x
  2. Step 2: Convert to fraction form
    23,124.81/31,912.35 = 13,053.69/x
  3. Step 3: Cross multiply
    23,124.81x = 31,912.35 × 13,053.69
  4. Step 4: Simplify right side
    23,124.81x = 416,573,924.07
  5. Step 5: Solve for x
    x = 416,573,924.07/23,124.81
  6. Step 6: Final answer
    x = 18,014.16

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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.