Home / 15,407.16-23,115.60-5,547.84

Finding the Fourth Proportional to 15,407.16, 23,115.60 and 5,547.84

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Solution

The fourth proportional to 15,407.16, 23,115.60 and 5,547.84 is: 8,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.16 : 23,115.60 = 5,547.84 : x
  2. Step 2: Convert to fraction form
    15,407.16/23,115.60 = 5,547.84/x
  3. Step 3: Cross multiply
    15,407.16x = 23,115.60 × 5,547.84
  4. Step 4: Simplify right side
    15,407.16x = 128,241,650.30
  5. Step 5: Solve for x
    x = 128,241,650.30/15,407.16
  6. Step 6: Final answer
    x = 8,323.51

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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.