Home / 16,810.95-25,146.20-11,812.98

Finding the Fourth Proportional to 16,810.95, 25,146.20 and 11,812.98

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Solution

The fourth proportional to 16,810.95, 25,146.20 and 11,812.98 is: 17,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.95 : 25,146.20 = 11,812.98 : x
  2. Step 2: Convert to fraction form
    16,810.95/25,146.20 = 11,812.98/x
  3. Step 3: Cross multiply
    16,810.95x = 25,146.20 × 11,812.98
  4. Step 4: Simplify right side
    16,810.95x = 297,051,417.18
  5. Step 5: Solve for x
    x = 297,051,417.18/16,810.95
  6. Step 6: Final answer
    x = 17,670.11

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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.