Home / 22,238.61-30,709.70-14,294.67

Finding the Fourth Proportional to 22,238.61, 30,709.70 and 14,294.67

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Solution

The fourth proportional to 22,238.61, 30,709.70 and 14,294.67 is: 19,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.61 : 30,709.70 = 14,294.67 : x
  2. Step 2: Convert to fraction form
    22,238.61/30,709.70 = 14,294.67/x
  3. Step 3: Cross multiply
    22,238.61x = 30,709.70 × 14,294.67
  4. Step 4: Simplify right side
    22,238.61x = 438,984,955.83
  5. Step 5: Solve for x
    x = 438,984,955.83/22,238.61
  6. Step 6: Final answer
    x = 19,739.77

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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.