Home / 19,081.40-26,332.16-10,697.90

Finding the Fourth Proportional to 19,081.40, 26,332.16 and 10,697.90

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Solution

The fourth proportional to 19,081.40, 26,332.16 and 10,697.90 is: 14,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.40 : 26,332.16 = 10,697.90 : x
  2. Step 2: Convert to fraction form
    19,081.40/26,332.16 = 10,697.90/x
  3. Step 3: Cross multiply
    19,081.40x = 26,332.16 × 10,697.90
  4. Step 4: Simplify right side
    19,081.40x = 281,698,629.31
  5. Step 5: Solve for x
    x = 281,698,629.31/19,081.40
  6. Step 6: Final answer
    x = 14,763.00

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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.