Home / 19,527.08-26,941.02-12,455.78

Finding the Fourth Proportional to 19,527.08, 26,941.02 and 12,455.78

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Solution

The fourth proportional to 19,527.08, 26,941.02 and 12,455.78 is: 17,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,527.08 : 26,941.02 = 12,455.78 : x
  2. Step 2: Convert to fraction form
    19,527.08/26,941.02 = 12,455.78/x
  3. Step 3: Cross multiply
    19,527.08x = 26,941.02 × 12,455.78
  4. Step 4: Simplify right side
    19,527.08x = 335,571,418.10
  5. Step 5: Solve for x
    x = 335,571,418.10/19,527.08
  6. Step 6: Final answer
    x = 17,184.93

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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.