Home / 37,746.84-56,627.40-12,780.18

Finding the Fourth Proportional to 37,746.84, 56,627.40 and 12,780.18

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Solution

The fourth proportional to 37,746.84, 56,627.40 and 12,780.18 is: 19,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,746.84 : 56,627.40 = 12,780.18 : x
  2. Step 2: Convert to fraction form
    37,746.84/56,627.40 = 12,780.18/x
  3. Step 3: Cross multiply
    37,746.84x = 56,627.40 × 12,780.18
  4. Step 4: Simplify right side
    37,746.84x = 723,708,364.93
  5. Step 5: Solve for x
    x = 723,708,364.93/37,746.84
  6. Step 6: Final answer
    x = 19,172.69

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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.