Home / 19,598.47-27,035.53-12,415.72

Finding the Fourth Proportional to 19,598.47, 27,035.53 and 12,415.72

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Solution

The fourth proportional to 19,598.47, 27,035.53 and 12,415.72 is: 17,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.47 : 27,035.53 = 12,415.72 : x
  2. Step 2: Convert to fraction form
    19,598.47/27,035.53 = 12,415.72/x
  3. Step 3: Cross multiply
    19,598.47x = 27,035.53 × 12,415.72
  4. Step 4: Simplify right side
    19,598.47x = 335,665,570.53
  5. Step 5: Solve for x
    x = 335,665,570.53/19,598.47
  6. Step 6: Final answer
    x = 17,127.13

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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.