Home / 21,557.08-32,275.53-11,004.40

Finding the Fourth Proportional to 21,557.08, 32,275.53 and 11,004.40

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Solution

The fourth proportional to 21,557.08, 32,275.53 and 11,004.40 is: 16,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.08 : 32,275.53 = 11,004.40 : x
  2. Step 2: Convert to fraction form
    21,557.08/32,275.53 = 11,004.40/x
  3. Step 3: Cross multiply
    21,557.08x = 32,275.53 × 11,004.40
  4. Step 4: Simplify right side
    21,557.08x = 355,172,842.33
  5. Step 5: Solve for x
    x = 355,172,842.33/21,557.08
  6. Step 6: Final answer
    x = 16,475.93

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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.