Home / 19,220.02-28,838.67-10,441.78

Finding the Fourth Proportional to 19,220.02, 28,838.67 and 10,441.78

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Solution

The fourth proportional to 19,220.02, 28,838.67 and 10,441.78 is: 15,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.02 : 28,838.67 = 10,441.78 : x
  2. Step 2: Convert to fraction form
    19,220.02/28,838.67 = 10,441.78/x
  3. Step 3: Cross multiply
    19,220.02x = 28,838.67 × 10,441.78
  4. Step 4: Simplify right side
    19,220.02x = 301,127,047.63
  5. Step 5: Solve for x
    x = 301,127,047.63/19,220.02
  6. Step 6: Final answer
    x = 15,667.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.