Home / 23,439.80-32,345.64-12,827.36

Finding the Fourth Proportional to 23,439.80, 32,345.64 and 12,827.36

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Solution

The fourth proportional to 23,439.80, 32,345.64 and 12,827.36 is: 17,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,439.80 : 32,345.64 = 12,827.36 : x
  2. Step 2: Convert to fraction form
    23,439.80/32,345.64 = 12,827.36/x
  3. Step 3: Cross multiply
    23,439.80x = 32,345.64 × 12,827.36
  4. Step 4: Simplify right side
    23,439.80x = 414,909,168.71
  5. Step 5: Solve for x
    x = 414,909,168.71/23,439.80
  6. Step 6: Final answer
    x = 17,701.05

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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.