Home / 15,627.48-21,566.07-8,554.05

Finding the Fourth Proportional to 15,627.48, 21,566.07 and 8,554.05

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Solution

The fourth proportional to 15,627.48, 21,566.07 and 8,554.05 is: 11,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.48 : 21,566.07 = 8,554.05 : x
  2. Step 2: Convert to fraction form
    15,627.48/21,566.07 = 8,554.05/x
  3. Step 3: Cross multiply
    15,627.48x = 21,566.07 × 8,554.05
  4. Step 4: Simplify right side
    15,627.48x = 184,477,133.25
  5. Step 5: Solve for x
    x = 184,477,133.25/15,627.48
  6. Step 6: Final answer
    x = 11,804.66

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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.