Home / 15,570.55-23,459.85-14,091.76

Finding the Fourth Proportional to 15,570.55, 23,459.85 and 14,091.76

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Solution

The fourth proportional to 15,570.55, 23,459.85 and 14,091.76 is: 21,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.55 : 23,459.85 = 14,091.76 : x
  2. Step 2: Convert to fraction form
    15,570.55/23,459.85 = 14,091.76/x
  3. Step 3: Cross multiply
    15,570.55x = 23,459.85 × 14,091.76
  4. Step 4: Simplify right side
    15,570.55x = 330,590,575.84
  5. Step 5: Solve for x
    x = 330,590,575.84/15,570.55
  6. Step 6: Final answer
    x = 21,231.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.