Home / 17,742.68-26,457.50-16,870.64

Finding the Fourth Proportional to 17,742.68, 26,457.50 and 16,870.64

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Solution

The fourth proportional to 17,742.68, 26,457.50 and 16,870.64 is: 25,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.68 : 26,457.50 = 16,870.64 : x
  2. Step 2: Convert to fraction form
    17,742.68/26,457.50 = 16,870.64/x
  3. Step 3: Cross multiply
    17,742.68x = 26,457.50 × 16,870.64
  4. Step 4: Simplify right side
    17,742.68x = 446,354,957.80
  5. Step 5: Solve for x
    x = 446,354,957.80/17,742.68
  6. Step 6: Final answer
    x = 25,157.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.