Home / 19,127.64-26,386.38-12,417.06

Finding the Fourth Proportional to 19,127.64, 26,386.38 and 12,417.06

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Solution

The fourth proportional to 19,127.64, 26,386.38 and 12,417.06 is: 17,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.64 : 26,386.38 = 12,417.06 : x
  2. Step 2: Convert to fraction form
    19,127.64/26,386.38 = 12,417.06/x
  3. Step 3: Cross multiply
    19,127.64x = 26,386.38 × 12,417.06
  4. Step 4: Simplify right side
    19,127.64x = 327,641,263.64
  5. Step 5: Solve for x
    x = 327,641,263.64/19,127.64
  6. Step 6: Final answer
    x = 17,129.20

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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.