Home / 23,088.53-31,888.45-15,521.75

Finding the Fourth Proportional to 23,088.53, 31,888.45 and 15,521.75

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Solution

The fourth proportional to 23,088.53, 31,888.45 and 15,521.75 is: 21,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,088.53 : 31,888.45 = 15,521.75 : x
  2. Step 2: Convert to fraction form
    23,088.53/31,888.45 = 15,521.75/x
  3. Step 3: Cross multiply
    23,088.53x = 31,888.45 × 15,521.75
  4. Step 4: Simplify right side
    23,088.53x = 494,964,528.33
  5. Step 5: Solve for x
    x = 494,964,528.33/23,088.53
  6. Step 6: Final answer
    x = 21,437.68

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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.