Home / 25,698.52-38,547.78-8,168.35

Finding the Fourth Proportional to 25,698.52, 38,547.78 and 8,168.35

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Solution

The fourth proportional to 25,698.52, 38,547.78 and 8,168.35 is: 12,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698.52 : 38,547.78 = 8,168.35 : x
  2. Step 2: Convert to fraction form
    25,698.52/38,547.78 = 8,168.35/x
  3. Step 3: Cross multiply
    25,698.52x = 38,547.78 × 8,168.35
  4. Step 4: Simplify right side
    25,698.52x = 314,871,758.76
  5. Step 5: Solve for x
    x = 314,871,758.76/25,698.52
  6. Step 6: Final answer
    x = 12,252.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.