Home / 26,592.40-39,888.60-12,547.81

Finding the Fourth Proportional to 26,592.40, 39,888.60 and 12,547.81

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Solution

The fourth proportional to 26,592.40, 39,888.60 and 12,547.81 is: 18,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,592.40 : 39,888.60 = 12,547.81 : x
  2. Step 2: Convert to fraction form
    26,592.40/39,888.60 = 12,547.81/x
  3. Step 3: Cross multiply
    26,592.40x = 39,888.60 × 12,547.81
  4. Step 4: Simplify right side
    26,592.40x = 500,514,573.97
  5. Step 5: Solve for x
    x = 500,514,573.97/26,592.40
  6. Step 6: Final answer
    x = 18,821.72

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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.