Home / 26,045.90-39,070.67-12,894.74

Finding the Fourth Proportional to 26,045.90, 39,070.67 and 12,894.74

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Solution

The fourth proportional to 26,045.90, 39,070.67 and 12,894.74 is: 19,343.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,045.90 : 39,070.67 = 12,894.74 : x
  2. Step 2: Convert to fraction form
    26,045.90/39,070.67 = 12,894.74/x
  3. Step 3: Cross multiply
    26,045.90x = 39,070.67 × 12,894.74
  4. Step 4: Simplify right side
    26,045.90x = 503,805,871.45
  5. Step 5: Solve for x
    x = 503,805,871.45/26,045.90
  6. Step 6: Final answer
    x = 19,343.00

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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.