Home / 15,628.24-21,567.02-8,555.32

Finding the Fourth Proportional to 15,628.24, 21,567.02 and 8,555.32

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Solution

The fourth proportional to 15,628.24, 21,567.02 and 8,555.32 is: 11,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.24 : 21,567.02 = 8,555.32 : x
  2. Step 2: Convert to fraction form
    15,628.24/21,567.02 = 8,555.32/x
  3. Step 3: Cross multiply
    15,628.24x = 21,567.02 × 8,555.32
  4. Step 4: Simplify right side
    15,628.24x = 184,512,671.10
  5. Step 5: Solve for x
    x = 184,512,671.10/15,628.24
  6. Step 6: Final answer
    x = 11,806.37

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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.