Home / 13,044.06-18,000.86-7,075.67

Finding the Fourth Proportional to 13,044.06, 18,000.86 and 7,075.67

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Solution

The fourth proportional to 13,044.06, 18,000.86 and 7,075.67 is: 9,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.06 : 18,000.86 = 7,075.67 : x
  2. Step 2: Convert to fraction form
    13,044.06/18,000.86 = 7,075.67/x
  3. Step 3: Cross multiply
    13,044.06x = 18,000.86 × 7,075.67
  4. Step 4: Simplify right side
    13,044.06x = 127,368,019.69
  5. Step 5: Solve for x
    x = 127,368,019.69/13,044.06
  6. Step 6: Final answer
    x = 9,764.45

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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.