Home / 19,041.68-26,268.36-12,328.40

Finding the Fourth Proportional to 19,041.68, 26,268.36 and 12,328.40

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Solution

The fourth proportional to 19,041.68, 26,268.36 and 12,328.40 is: 17,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041.68 : 26,268.36 = 12,328.40 : x
  2. Step 2: Convert to fraction form
    19,041.68/26,268.36 = 12,328.40/x
  3. Step 3: Cross multiply
    19,041.68x = 26,268.36 × 12,328.40
  4. Step 4: Simplify right side
    19,041.68x = 323,846,849.42
  5. Step 5: Solve for x
    x = 323,846,849.42/19,041.68
  6. Step 6: Final answer
    x = 17,007.26

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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.