Home / 22,915.08-31,547.25-19,929.33

Finding the Fourth Proportional to 22,915.08, 31,547.25 and 19,929.33

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Solution

The fourth proportional to 22,915.08, 31,547.25 and 19,929.33 is: 27,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.08 : 31,547.25 = 19,929.33 : x
  2. Step 2: Convert to fraction form
    22,915.08/31,547.25 = 19,929.33/x
  3. Step 3: Cross multiply
    22,915.08x = 31,547.25 × 19,929.33
  4. Step 4: Simplify right side
    22,915.08x = 628,715,555.84
  5. Step 5: Solve for x
    x = 628,715,555.84/22,915.08
  6. Step 6: Final answer
    x = 27,436.76

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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.