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Finding the Fourth Proportional to 15,598.03, 21,513.03 and 13,807.39

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Solution

The fourth proportional to 15,598.03, 21,513.03 and 13,807.39 is: 19,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.03 : 21,513.03 = 13,807.39 : x
  2. Step 2: Convert to fraction form
    15,598.03/21,513.03 = 13,807.39/x
  3. Step 3: Cross multiply
    15,598.03x = 21,513.03 × 13,807.39
  4. Step 4: Simplify right side
    15,598.03x = 297,038,795.29
  5. Step 5: Solve for x
    x = 297,038,795.29/15,598.03
  6. Step 6: Final answer
    x = 19,043.35

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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.