Home / 23,325.50-32,189.58-12,715.72

Finding the Fourth Proportional to 23,325.50, 32,189.58 and 12,715.72

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Solution

The fourth proportional to 23,325.50, 32,189.58 and 12,715.72 is: 17,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,325.50 : 32,189.58 = 12,715.72 : x
  2. Step 2: Convert to fraction form
    23,325.50/32,189.58 = 12,715.72/x
  3. Step 3: Cross multiply
    23,325.50x = 32,189.58 × 12,715.72
  4. Step 4: Simplify right side
    23,325.50x = 409,313,686.20
  5. Step 5: Solve for x
    x = 409,313,686.20/23,325.50
  6. Step 6: Final answer
    x = 17,547.91

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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.