Home / 18,457.68-25,492.80-13,444.32

Finding the Fourth Proportional to 18,457.68, 25,492.80 and 13,444.32

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Solution

The fourth proportional to 18,457.68, 25,492.80 and 13,444.32 is: 18,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.68 : 25,492.80 = 13,444.32 : x
  2. Step 2: Convert to fraction form
    18,457.68/25,492.80 = 13,444.32/x
  3. Step 3: Cross multiply
    18,457.68x = 25,492.80 × 13,444.32
  4. Step 4: Simplify right side
    18,457.68x = 342,733,360.90
  5. Step 5: Solve for x
    x = 342,733,360.90/18,457.68
  6. Step 6: Final answer
    x = 18,568.60

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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.