Home / 15,563.60-21,476.93-8,848.30

Finding the Fourth Proportional to 15,563.60, 21,476.93 and 8,848.30

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Solution

The fourth proportional to 15,563.60, 21,476.93 and 8,848.30 is: 12,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.60 : 21,476.93 = 8,848.30 : x
  2. Step 2: Convert to fraction form
    15,563.60/21,476.93 = 8,848.30/x
  3. Step 3: Cross multiply
    15,563.60x = 21,476.93 × 8,848.30
  4. Step 4: Simplify right side
    15,563.60x = 190,034,319.72
  5. Step 5: Solve for x
    x = 190,034,319.72/15,563.60
  6. Step 6: Final answer
    x = 12,210.18

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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.