Home / 23,509.86-32,443.04-12,899.40

Finding the Fourth Proportional to 23,509.86, 32,443.04 and 12,899.40

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Solution

The fourth proportional to 23,509.86, 32,443.04 and 12,899.40 is: 17,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,509.86 : 32,443.04 = 12,899.40 : x
  2. Step 2: Convert to fraction form
    23,509.86/32,443.04 = 12,899.40/x
  3. Step 3: Cross multiply
    23,509.86x = 32,443.04 × 12,899.40
  4. Step 4: Simplify right side
    23,509.86x = 418,495,750.18
  5. Step 5: Solve for x
    x = 418,495,750.18/23,509.86
  6. Step 6: Final answer
    x = 17,800.86

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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.