Home / 19,127.84-26,381.76-13,840.16

Finding the Fourth Proportional to 19,127.84, 26,381.76 and 13,840.16

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Solution

The fourth proportional to 19,127.84, 26,381.76 and 13,840.16 is: 19,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.84 : 26,381.76 = 13,840.16 : x
  2. Step 2: Convert to fraction form
    19,127.84/26,381.76 = 13,840.16/x
  3. Step 3: Cross multiply
    19,127.84x = 26,381.76 × 13,840.16
  4. Step 4: Simplify right side
    19,127.84x = 365,127,779.48
  5. Step 5: Solve for x
    x = 365,127,779.48/19,127.84
  6. Step 6: Final answer
    x = 19,088.81

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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.