Home / 23,075.14-31,844.16-12,866.80

Finding the Fourth Proportional to 23,075.14, 31,844.16 and 12,866.80

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Solution

The fourth proportional to 23,075.14, 31,844.16 and 12,866.80 is: 17,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,075.14 : 31,844.16 = 12,866.80 : x
  2. Step 2: Convert to fraction form
    23,075.14/31,844.16 = 12,866.80/x
  3. Step 3: Cross multiply
    23,075.14x = 31,844.16 × 12,866.80
  4. Step 4: Simplify right side
    23,075.14x = 409,732,437.89
  5. Step 5: Solve for x
    x = 409,732,437.89/23,075.14
  6. Step 6: Final answer
    x = 17,756.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.