Home / 23,579.91-32,541.35-12,970.13

Finding the Fourth Proportional to 23,579.91, 32,541.35 and 12,970.13

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Solution

The fourth proportional to 23,579.91, 32,541.35 and 12,970.13 is: 17,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.91 : 32,541.35 = 12,970.13 : x
  2. Step 2: Convert to fraction form
    23,579.91/32,541.35 = 12,970.13/x
  3. Step 3: Cross multiply
    23,579.91x = 32,541.35 × 12,970.13
  4. Step 4: Simplify right side
    23,579.91x = 422,065,312.32
  5. Step 5: Solve for x
    x = 422,065,312.32/23,579.91
  6. Step 6: Final answer
    x = 17,899.36

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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.