Home / 26,518.16-39,779.40-8,752.16

Finding the Fourth Proportional to 26,518.16, 39,779.40 and 8,752.16

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Solution

The fourth proportional to 26,518.16, 39,779.40 and 8,752.16 is: 13,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.16 : 39,779.40 = 8,752.16 : x
  2. Step 2: Convert to fraction form
    26,518.16/39,779.40 = 8,752.16/x
  3. Step 3: Cross multiply
    26,518.16x = 39,779.40 × 8,752.16
  4. Step 4: Simplify right side
    26,518.16x = 348,155,673.50
  5. Step 5: Solve for x
    x = 348,155,673.50/26,518.16
  6. Step 6: Final answer
    x = 13,128.95

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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.