Home / 23,281.40-32,128.12-12,671.01

Finding the Fourth Proportional to 23,281.40, 32,128.12 and 12,671.01

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Solution

The fourth proportional to 23,281.40, 32,128.12 and 12,671.01 is: 17,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.40 : 32,128.12 = 12,671.01 : x
  2. Step 2: Convert to fraction form
    23,281.40/32,128.12 = 12,671.01/x
  3. Step 3: Cross multiply
    23,281.40x = 32,128.12 × 12,671.01
  4. Step 4: Simplify right side
    23,281.40x = 407,095,729.80
  5. Step 5: Solve for x
    x = 407,095,729.80/23,281.40
  6. Step 6: Final answer
    x = 17,485.88

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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.