Home / 15,047.40-22,587.30-8,486.40

Finding the Fourth Proportional to 15,047.40, 22,587.30 and 8,486.40

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Solution

The fourth proportional to 15,047.40, 22,587.30 and 8,486.40 is: 12,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047.40 : 22,587.30 = 8,486.40 : x
  2. Step 2: Convert to fraction form
    15,047.40/22,587.30 = 8,486.40/x
  3. Step 3: Cross multiply
    15,047.40x = 22,587.30 × 8,486.40
  4. Step 4: Simplify right side
    15,047.40x = 191,684,862.72
  5. Step 5: Solve for x
    x = 191,684,862.72/15,047.40
  6. Step 6: Final answer
    x = 12,738.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.