Home / 19,386.79-26,755.13-13,024.01

Finding the Fourth Proportional to 19,386.79, 26,755.13 and 13,024.01

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Solution

The fourth proportional to 19,386.79, 26,755.13 and 13,024.01 is: 17,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.79 : 26,755.13 = 13,024.01 : x
  2. Step 2: Convert to fraction form
    19,386.79/26,755.13 = 13,024.01/x
  3. Step 3: Cross multiply
    19,386.79x = 26,755.13 × 13,024.01
  4. Step 4: Simplify right side
    19,386.79x = 348,459,080.67
  5. Step 5: Solve for x
    x = 348,459,080.67/19,386.79
  6. Step 6: Final answer
    x = 17,974.05

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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.