Home / 21,569.31-32,332.05-16,364.25

Finding the Fourth Proportional to 21,569.31, 32,332.05 and 16,364.25

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Solution

The fourth proportional to 21,569.31, 32,332.05 and 16,364.25 is: 24,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.31 : 32,332.05 = 16,364.25 : x
  2. Step 2: Convert to fraction form
    21,569.31/32,332.05 = 16,364.25/x
  3. Step 3: Cross multiply
    21,569.31x = 32,332.05 × 16,364.25
  4. Step 4: Simplify right side
    21,569.31x = 529,089,749.21
  5. Step 5: Solve for x
    x = 529,089,749.21/21,569.31
  6. Step 6: Final answer
    x = 24,529.75

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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.