Home / 22,225.50-30,669.93-12,152.07

Finding the Fourth Proportional to 22,225.50, 30,669.93 and 12,152.07

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Solution

The fourth proportional to 22,225.50, 30,669.93 and 12,152.07 is: 16,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.50 : 30,669.93 = 12,152.07 : x
  2. Step 2: Convert to fraction form
    22,225.50/30,669.93 = 12,152.07/x
  3. Step 3: Cross multiply
    22,225.50x = 30,669.93 × 12,152.07
  4. Step 4: Simplify right side
    22,225.50x = 372,703,136.26
  5. Step 5: Solve for x
    x = 372,703,136.26/22,225.50
  6. Step 6: Final answer
    x = 16,769.17

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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.