Home / 15,653.36-21,601.86-9,364.52

Finding the Fourth Proportional to 15,653.36, 21,601.86 and 9,364.52

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Solution

The fourth proportional to 15,653.36, 21,601.86 and 9,364.52 is: 12,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.36 : 21,601.86 = 9,364.52 : x
  2. Step 2: Convert to fraction form
    15,653.36/21,601.86 = 9,364.52/x
  3. Step 3: Cross multiply
    15,653.36x = 21,601.86 × 9,364.52
  4. Step 4: Simplify right side
    15,653.36x = 202,291,050.01
  5. Step 5: Solve for x
    x = 202,291,050.01/15,653.36
  6. Step 6: Final answer
    x = 12,923.17

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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.