Home / 19,599.48-29,386.62-12,928.23

Finding the Fourth Proportional to 19,599.48, 29,386.62 and 12,928.23

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Solution

The fourth proportional to 19,599.48, 29,386.62 and 12,928.23 is: 19,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.48 : 29,386.62 = 12,928.23 : x
  2. Step 2: Convert to fraction form
    19,599.48/29,386.62 = 12,928.23/x
  3. Step 3: Cross multiply
    19,599.48x = 29,386.62 × 12,928.23
  4. Step 4: Simplify right side
    19,599.48x = 379,916,982.28
  5. Step 5: Solve for x
    x = 379,916,982.28/19,599.48
  6. Step 6: Final answer
    x = 19,384.03

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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.