Home / 15,675.04-21,632.70-8,601.58

Finding the Fourth Proportional to 15,675.04, 21,632.70 and 8,601.58

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Solution

The fourth proportional to 15,675.04, 21,632.70 and 8,601.58 is: 11,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.04 : 21,632.70 = 8,601.58 : x
  2. Step 2: Convert to fraction form
    15,675.04/21,632.70 = 8,601.58/x
  3. Step 3: Cross multiply
    15,675.04x = 21,632.70 × 8,601.58
  4. Step 4: Simplify right side
    15,675.04x = 186,075,399.67
  5. Step 5: Solve for x
    x = 186,075,399.67/15,675.04
  6. Step 6: Final answer
    x = 11,870.81

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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.