Home / 19,210.68-26,547.48-15,672.60

Finding the Fourth Proportional to 19,210.68, 26,547.48 and 15,672.60

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Solution

The fourth proportional to 19,210.68, 26,547.48 and 15,672.60 is: 21,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.68 : 26,547.48 = 15,672.60 : x
  2. Step 2: Convert to fraction form
    19,210.68/26,547.48 = 15,672.60/x
  3. Step 3: Cross multiply
    19,210.68x = 26,547.48 × 15,672.60
  4. Step 4: Simplify right side
    19,210.68x = 416,068,035.05
  5. Step 5: Solve for x
    x = 416,068,035.05/19,210.68
  6. Step 6: Final answer
    x = 21,658.16

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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.