Home / 29,581.08-40,830.93-18,254.04

Finding the Fourth Proportional to 29,581.08, 40,830.93 and 18,254.04

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Solution

The fourth proportional to 29,581.08, 40,830.93 and 18,254.04 is: 25,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,581.08 : 40,830.93 = 18,254.04 : x
  2. Step 2: Convert to fraction form
    29,581.08/40,830.93 = 18,254.04/x
  3. Step 3: Cross multiply
    29,581.08x = 40,830.93 × 18,254.04
  4. Step 4: Simplify right side
    29,581.08x = 745,329,429.46
  5. Step 5: Solve for x
    x = 745,329,429.46/29,581.08
  6. Step 6: Final answer
    x = 25,196.15

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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.