Home / 26,849.16-40,268.70-9,315.40

Finding the Fourth Proportional to 26,849.16, 40,268.70 and 9,315.40

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Solution

The fourth proportional to 26,849.16, 40,268.70 and 9,315.40 is: 13,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.16 : 40,268.70 = 9,315.40 : x
  2. Step 2: Convert to fraction form
    26,849.16/40,268.70 = 9,315.40/x
  3. Step 3: Cross multiply
    26,849.16x = 40,268.70 × 9,315.40
  4. Step 4: Simplify right side
    26,849.16x = 375,119,047.98
  5. Step 5: Solve for x
    x = 375,119,047.98/26,849.16
  6. Step 6: Final answer
    x = 13,971.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.