Home / 16,315.68-24,461.55-5,215.98

Finding the Fourth Proportional to 16,315.68, 24,461.55 and 5,215.98

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Solution

The fourth proportional to 16,315.68, 24,461.55 and 5,215.98 is: 7,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.68 : 24,461.55 = 5,215.98 : x
  2. Step 2: Convert to fraction form
    16,315.68/24,461.55 = 5,215.98/x
  3. Step 3: Cross multiply
    16,315.68x = 24,461.55 × 5,215.98
  4. Step 4: Simplify right side
    16,315.68x = 127,590,955.57
  5. Step 5: Solve for x
    x = 127,590,955.57/16,315.68
  6. Step 6: Final answer
    x = 7,820.14

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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.