Home / 19,210.88-26,510.28-10,712.64

Finding the Fourth Proportional to 19,210.88, 26,510.28 and 10,712.64

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Solution

The fourth proportional to 19,210.88, 26,510.28 and 10,712.64 is: 14,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.88 : 26,510.28 = 10,712.64 : x
  2. Step 2: Convert to fraction form
    19,210.88/26,510.28 = 10,712.64/x
  3. Step 3: Cross multiply
    19,210.88x = 26,510.28 × 10,712.64
  4. Step 4: Simplify right side
    19,210.88x = 283,995,085.94
  5. Step 5: Solve for x
    x = 283,995,085.94/19,210.88
  6. Step 6: Final answer
    x = 14,783.03

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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.