Home / 19,153.96-26,432-10,656.12

Finding the Fourth Proportional to 19,153.96, 26,432 and 10,656.12

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Solution

The fourth proportional to 19,153.96, 26,432 and 10,656.12 is: 14,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.96 : 26,432 = 10,656.12 : x
  2. Step 2: Convert to fraction form
    19,153.96/26,432 = 10,656.12/x
  3. Step 3: Cross multiply
    19,153.96x = 26,432 × 10,656.12
  4. Step 4: Simplify right side
    19,153.96x = 281,662,563.84
  5. Step 5: Solve for x
    x = 281,662,563.84/19,153.96
  6. Step 6: Final answer
    x = 14,705.19

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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.