Home / 15,870.16-23,808.57-4,777.66

Finding the Fourth Proportional to 15,870.16, 23,808.57 and 4,777.66

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Solution

The fourth proportional to 15,870.16, 23,808.57 and 4,777.66 is: 7,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.16 : 23,808.57 = 4,777.66 : x
  2. Step 2: Convert to fraction form
    15,870.16/23,808.57 = 4,777.66/x
  3. Step 3: Cross multiply
    15,870.16x = 23,808.57 × 4,777.66
  4. Step 4: Simplify right side
    15,870.16x = 113,749,252.55
  5. Step 5: Solve for x
    x = 113,749,252.55/15,870.16
  6. Step 6: Final answer
    x = 7,167.49

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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.