Home / 23,580.90-32,541.47-12,970.30

Finding the Fourth Proportional to 23,580.90, 32,541.47 and 12,970.30

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Solution

The fourth proportional to 23,580.90, 32,541.47 and 12,970.30 is: 17,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,580.90 : 32,541.47 = 12,970.30 : x
  2. Step 2: Convert to fraction form
    23,580.90/32,541.47 = 12,970.30/x
  3. Step 3: Cross multiply
    23,580.90x = 32,541.47 × 12,970.30
  4. Step 4: Simplify right side
    23,580.90x = 422,072,563.49
  5. Step 5: Solve for x
    x = 422,072,563.49/23,580.90
  6. Step 6: Final answer
    x = 17,898.92

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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.