Home / 23,127.16-31,915.74-13,569.16

Finding the Fourth Proportional to 23,127.16, 31,915.74 and 13,569.16

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Solution

The fourth proportional to 23,127.16, 31,915.74 and 13,569.16 is: 18,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.16 : 31,915.74 = 13,569.16 : x
  2. Step 2: Convert to fraction form
    23,127.16/31,915.74 = 13,569.16/x
  3. Step 3: Cross multiply
    23,127.16x = 31,915.74 × 13,569.16
  4. Step 4: Simplify right side
    23,127.16x = 433,069,782.58
  5. Step 5: Solve for x
    x = 433,069,782.58/23,127.16
  6. Step 6: Final answer
    x = 18,725.59

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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.