Home / 15,875.56-21,909.58-8,804.26

Finding the Fourth Proportional to 15,875.56, 21,909.58 and 8,804.26

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Solution

The fourth proportional to 15,875.56, 21,909.58 and 8,804.26 is: 12,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.56 : 21,909.58 = 8,804.26 : x
  2. Step 2: Convert to fraction form
    15,875.56/21,909.58 = 8,804.26/x
  3. Step 3: Cross multiply
    15,875.56x = 21,909.58 × 8,804.26
  4. Step 4: Simplify right side
    15,875.56x = 192,897,638.81
  5. Step 5: Solve for x
    x = 192,897,638.81/15,875.56
  6. Step 6: Final answer
    x = 12,150.60

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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.