Home / 19,082.64-26,328.65-12,368.55

Finding the Fourth Proportional to 19,082.64, 26,328.65 and 12,368.55

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Solution

The fourth proportional to 19,082.64, 26,328.65 and 12,368.55 is: 17,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.64 : 26,328.65 = 12,368.55 : x
  2. Step 2: Convert to fraction form
    19,082.64/26,328.65 = 12,368.55/x
  3. Step 3: Cross multiply
    19,082.64x = 26,328.65 × 12,368.55
  4. Step 4: Simplify right side
    19,082.64x = 325,647,223.96
  5. Step 5: Solve for x
    x = 325,647,223.96/19,082.64
  6. Step 6: Final answer
    x = 17,065.10

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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.