Home / 51,852.88-77,783.16-14,919.76

Finding the Fourth Proportional to 51,852.88, 77,783.16 and 14,919.76

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Solution

The fourth proportional to 51,852.88, 77,783.16 and 14,919.76 is: 22,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,852.88 : 77,783.16 = 14,919.76 : x
  2. Step 2: Convert to fraction form
    51,852.88/77,783.16 = 14,919.76/x
  3. Step 3: Cross multiply
    51,852.88x = 77,783.16 × 14,919.76
  4. Step 4: Simplify right side
    51,852.88x = 1,160,506,079.24
  5. Step 5: Solve for x
    x = 1,160,506,079.24/51,852.88
  6. Step 6: Final answer
    x = 22,380.74

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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.