Home / 19,598.85-27,052.29-15,618.51

Finding the Fourth Proportional to 19,598.85, 27,052.29 and 15,618.51

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Solution

The fourth proportional to 19,598.85, 27,052.29 and 15,618.51 is: 21,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.85 : 27,052.29 = 15,618.51 : x
  2. Step 2: Convert to fraction form
    19,598.85/27,052.29 = 15,618.51/x
  3. Step 3: Cross multiply
    19,598.85x = 27,052.29 × 15,618.51
  4. Step 4: Simplify right side
    19,598.85x = 422,516,461.89
  5. Step 5: Solve for x
    x = 422,516,461.89/19,598.85
  6. Step 6: Final answer
    x = 21,558.23

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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.