Home / 27,287.04-40,899.84-13,445.76

Finding the Fourth Proportional to 27,287.04, 40,899.84 and 13,445.76

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Solution

The fourth proportional to 27,287.04, 40,899.84 and 13,445.76 is: 20,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.04 : 40,899.84 = 13,445.76 : x
  2. Step 2: Convert to fraction form
    27,287.04/40,899.84 = 13,445.76/x
  3. Step 3: Cross multiply
    27,287.04x = 40,899.84 × 13,445.76
  4. Step 4: Simplify right side
    27,287.04x = 549,929,432.68
  5. Step 5: Solve for x
    x = 549,929,432.68/27,287.04
  6. Step 6: Final answer
    x = 20,153.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.