Home / 21,569.64-32,367.36-9,088.92

Finding the Fourth Proportional to 21,569.64, 32,367.36 and 9,088.92

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Solution

The fourth proportional to 21,569.64, 32,367.36 and 9,088.92 is: 13,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.64 : 32,367.36 = 9,088.92 : x
  2. Step 2: Convert to fraction form
    21,569.64/32,367.36 = 9,088.92/x
  3. Step 3: Cross multiply
    21,569.64x = 32,367.36 × 9,088.92
  4. Step 4: Simplify right side
    21,569.64x = 294,184,345.65
  5. Step 5: Solve for x
    x = 294,184,345.65/21,569.64
  6. Step 6: Final answer
    x = 13,638.82

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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.