Home / 18,547.98-25,582.26-12,882.74

Finding the Fourth Proportional to 18,547.98, 25,582.26 and 12,882.74

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Solution

The fourth proportional to 18,547.98, 25,582.26 and 12,882.74 is: 17,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.98 : 25,582.26 = 12,882.74 : x
  2. Step 2: Convert to fraction form
    18,547.98/25,582.26 = 12,882.74/x
  3. Step 3: Cross multiply
    18,547.98x = 25,582.26 × 12,882.74
  4. Step 4: Simplify right side
    18,547.98x = 329,569,476.28
  5. Step 5: Solve for x
    x = 329,569,476.28/18,547.98
  6. Step 6: Final answer
    x = 17,768.48

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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.