Home / 25,746.84-38,623.86-8,210.70

Finding the Fourth Proportional to 25,746.84, 38,623.86 and 8,210.70

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Solution

The fourth proportional to 25,746.84, 38,623.86 and 8,210.70 is: 12,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,746.84 : 38,623.86 = 8,210.70 : x
  2. Step 2: Convert to fraction form
    25,746.84/38,623.86 = 8,210.70/x
  3. Step 3: Cross multiply
    25,746.84x = 38,623.86 × 8,210.70
  4. Step 4: Simplify right side
    25,746.84x = 317,128,927.30
  5. Step 5: Solve for x
    x = 317,128,927.30/25,746.84
  6. Step 6: Final answer
    x = 12,317.20

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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.