Home / 15,632.19-21,572.46-8,558.46

Finding the Fourth Proportional to 15,632.19, 21,572.46 and 8,558.46

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Solution

The fourth proportional to 15,632.19, 21,572.46 and 8,558.46 is: 11,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.19 : 21,572.46 = 8,558.46 : x
  2. Step 2: Convert to fraction form
    15,632.19/21,572.46 = 8,558.46/x
  3. Step 3: Cross multiply
    15,632.19x = 21,572.46 × 8,558.46
  4. Step 4: Simplify right side
    15,632.19x = 184,627,036.01
  5. Step 5: Solve for x
    x = 184,627,036.01/15,632.19
  6. Step 6: Final answer
    x = 11,810.70

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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.