Home / 19,114.02-26,372.07-12,403.62

Finding the Fourth Proportional to 19,114.02, 26,372.07 and 12,403.62

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Solution

The fourth proportional to 19,114.02, 26,372.07 and 12,403.62 is: 17,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.02 : 26,372.07 = 12,403.62 : x
  2. Step 2: Convert to fraction form
    19,114.02/26,372.07 = 12,403.62/x
  3. Step 3: Cross multiply
    19,114.02x = 26,372.07 × 12,403.62
  4. Step 4: Simplify right side
    19,114.02x = 327,109,134.89
  5. Step 5: Solve for x
    x = 327,109,134.89/19,114.02
  6. Step 6: Final answer
    x = 17,113.57

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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.