Home / 23,490.81-32,416.74-12,735.09

Finding the Fourth Proportional to 23,490.81, 32,416.74 and 12,735.09

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Solution

The fourth proportional to 23,490.81, 32,416.74 and 12,735.09 is: 17,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.81 : 32,416.74 = 12,735.09 : x
  2. Step 2: Convert to fraction form
    23,490.81/32,416.74 = 12,735.09/x
  3. Step 3: Cross multiply
    23,490.81x = 32,416.74 × 12,735.09
  4. Step 4: Simplify right side
    23,490.81x = 412,830,101.41
  5. Step 5: Solve for x
    x = 412,830,101.41/23,490.81
  6. Step 6: Final answer
    x = 17,574.11

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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.