Home / 23,565.35-32,520.74-12,955.20

Finding the Fourth Proportional to 23,565.35, 32,520.74 and 12,955.20

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Solution

The fourth proportional to 23,565.35, 32,520.74 and 12,955.20 is: 17,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,565.35 : 32,520.74 = 12,955.20 : x
  2. Step 2: Convert to fraction form
    23,565.35/32,520.74 = 12,955.20/x
  3. Step 3: Cross multiply
    23,565.35x = 32,520.74 × 12,955.20
  4. Step 4: Simplify right side
    23,565.35x = 421,312,626.07
  5. Step 5: Solve for x
    x = 421,312,626.07/23,565.35
  6. Step 6: Final answer
    x = 17,878.48

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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.