Home / 19,235.39-26,541.64-12,851.74

Finding the Fourth Proportional to 19,235.39, 26,541.64 and 12,851.74

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Solution

The fourth proportional to 19,235.39, 26,541.64 and 12,851.74 is: 17,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.39 : 26,541.64 = 12,851.74 : x
  2. Step 2: Convert to fraction form
    19,235.39/26,541.64 = 12,851.74/x
  3. Step 3: Cross multiply
    19,235.39x = 26,541.64 × 12,851.74
  4. Step 4: Simplify right side
    19,235.39x = 341,106,176.83
  5. Step 5: Solve for x
    x = 341,106,176.83/19,235.39
  6. Step 6: Final answer
    x = 17,733.26

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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.