Home / 23,439.78-32,347.08-14,485.23

Finding the Fourth Proportional to 23,439.78, 32,347.08 and 14,485.23

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Solution

The fourth proportional to 23,439.78, 32,347.08 and 14,485.23 is: 19,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,439.78 : 32,347.08 = 14,485.23 : x
  2. Step 2: Convert to fraction form
    23,439.78/32,347.08 = 14,485.23/x
  3. Step 3: Cross multiply
    23,439.78x = 32,347.08 × 14,485.23
  4. Step 4: Simplify right side
    23,439.78x = 468,554,893.63
  5. Step 5: Solve for x
    x = 468,554,893.63/23,439.78
  6. Step 6: Final answer
    x = 19,989.73

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Double scale
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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.