Home / 15,632.32-21,566.56-9,653.72

Finding the Fourth Proportional to 15,632.32, 21,566.56 and 9,653.72

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Solution

The fourth proportional to 15,632.32, 21,566.56 and 9,653.72 is: 13,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.32 : 21,566.56 = 9,653.72 : x
  2. Step 2: Convert to fraction form
    15,632.32/21,566.56 = 9,653.72/x
  3. Step 3: Cross multiply
    15,632.32x = 21,566.56 × 9,653.72
  4. Step 4: Simplify right side
    15,632.32x = 208,197,531.60
  5. Step 5: Solve for x
    x = 208,197,531.60/15,632.32
  6. Step 6: Final answer
    x = 13,318.40

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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.