Home / 19,417.95-26,776.85-13,751.19

Finding the Fourth Proportional to 19,417.95, 26,776.85 and 13,751.19

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Solution

The fourth proportional to 19,417.95, 26,776.85 and 13,751.19 is: 18,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.95 : 26,776.85 = 13,751.19 : x
  2. Step 2: Convert to fraction form
    19,417.95/26,776.85 = 13,751.19/x
  3. Step 3: Cross multiply
    19,417.95x = 26,776.85 × 13,751.19
  4. Step 4: Simplify right side
    19,417.95x = 368,213,483.20
  5. Step 5: Solve for x
    x = 368,213,483.20/19,417.95
  6. Step 6: Final answer
    x = 18,962.53

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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.