Home / 19,135.61-26,407.00-10,638.51

Finding the Fourth Proportional to 19,135.61, 26,407.00 and 10,638.51

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Solution

The fourth proportional to 19,135.61, 26,407.00 and 10,638.51 is: 14,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.61 : 26,407.00 = 10,638.51 : x
  2. Step 2: Convert to fraction form
    19,135.61/26,407.00 = 10,638.51/x
  3. Step 3: Cross multiply
    19,135.61x = 26,407.00 × 10,638.51
  4. Step 4: Simplify right side
    19,135.61x = 280,931,007.95
  5. Step 5: Solve for x
    x = 280,931,007.95/19,135.61
  6. Step 6: Final answer
    x = 14,681.06

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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.