Home / 23,601.51-32,570.10-12,990.92

Finding the Fourth Proportional to 23,601.51, 32,570.10 and 12,990.92

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Solution

The fourth proportional to 23,601.51, 32,570.10 and 12,990.92 is: 17,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,601.51 : 32,570.10 = 12,990.92 : x
  2. Step 2: Convert to fraction form
    23,601.51/32,570.10 = 12,990.92/x
  3. Step 3: Cross multiply
    23,601.51x = 32,570.10 × 12,990.92
  4. Step 4: Simplify right side
    23,601.51x = 423,115,400.64
  5. Step 5: Solve for x
    x = 423,115,400.64/23,601.51
  6. Step 6: Final answer
    x = 17,927.47

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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.