Home / 23,014.74-31,740.67-15,856.08

Finding the Fourth Proportional to 23,014.74, 31,740.67 and 15,856.08

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Solution

The fourth proportional to 23,014.74, 31,740.67 and 15,856.08 is: 21,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,014.74 : 31,740.67 = 15,856.08 : x
  2. Step 2: Convert to fraction form
    23,014.74/31,740.67 = 15,856.08/x
  3. Step 3: Cross multiply
    23,014.74x = 31,740.67 × 15,856.08
  4. Step 4: Simplify right side
    23,014.74x = 503,282,602.77
  5. Step 5: Solve for x
    x = 503,282,602.77/23,014.74
  6. Step 6: Final answer
    x = 21,867.84

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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.