Home / 15,632.53-21,572.40-8,558.53

Finding the Fourth Proportional to 15,632.53, 21,572.40 and 8,558.53

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Solution

The fourth proportional to 15,632.53, 21,572.40 and 8,558.53 is: 11,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.53 : 21,572.40 = 8,558.53 : x
  2. Step 2: Convert to fraction form
    15,632.53/21,572.40 = 8,558.53/x
  3. Step 3: Cross multiply
    15,632.53x = 21,572.40 × 8,558.53
  4. Step 4: Simplify right side
    15,632.53x = 184,628,032.57
  5. Step 5: Solve for x
    x = 184,628,032.57/15,632.53
  6. Step 6: Final answer
    x = 11,810.50

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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.