Home / 23,712.40-32,723.36-12,957.58

Finding the Fourth Proportional to 23,712.40, 32,723.36 and 12,957.58

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Solution

The fourth proportional to 23,712.40, 32,723.36 and 12,957.58 is: 17,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,712.40 : 32,723.36 = 12,957.58 : x
  2. Step 2: Convert to fraction form
    23,712.40/32,723.36 = 12,957.58/x
  3. Step 3: Cross multiply
    23,712.40x = 32,723.36 × 12,957.58
  4. Step 4: Simplify right side
    23,712.40x = 424,015,555.07
  5. Step 5: Solve for x
    x = 424,015,555.07/23,712.40
  6. Step 6: Final answer
    x = 17,881.60

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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.