Home / 13,516.06-18,652.06-7,547.68

Finding the Fourth Proportional to 13,516.06, 18,652.06 and 7,547.68

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Solution

The fourth proportional to 13,516.06, 18,652.06 and 7,547.68 is: 10,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.06 : 18,652.06 = 7,547.68 : x
  2. Step 2: Convert to fraction form
    13,516.06/18,652.06 = 7,547.68/x
  3. Step 3: Cross multiply
    13,516.06x = 18,652.06 × 7,547.68
  4. Step 4: Simplify right side
    13,516.06x = 140,779,780.22
  5. Step 5: Solve for x
    x = 140,779,780.22/13,516.06
  6. Step 6: Final answer
    x = 10,415.74

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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.