Home / 15,238.34-21,030.02-8,526.12

Finding the Fourth Proportional to 15,238.34, 21,030.02 and 8,526.12

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Solution

The fourth proportional to 15,238.34, 21,030.02 and 8,526.12 is: 11,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.34 : 21,030.02 = 8,526.12 : x
  2. Step 2: Convert to fraction form
    15,238.34/21,030.02 = 8,526.12/x
  3. Step 3: Cross multiply
    15,238.34x = 21,030.02 × 8,526.12
  4. Step 4: Simplify right side
    15,238.34x = 179,304,431.49
  5. Step 5: Solve for x
    x = 179,304,431.49/15,238.34
  6. Step 6: Final answer
    x = 11,766.67

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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.