Home / 19,210.40-26,510.36-10,713.28

Finding the Fourth Proportional to 19,210.40, 26,510.36 and 10,713.28

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Solution

The fourth proportional to 19,210.40, 26,510.36 and 10,713.28 is: 14,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.40 : 26,510.36 = 10,713.28 : x
  2. Step 2: Convert to fraction form
    19,210.40/26,510.36 = 10,713.28/x
  3. Step 3: Cross multiply
    19,210.40x = 26,510.36 × 10,713.28
  4. Step 4: Simplify right side
    19,210.40x = 284,012,909.58
  5. Step 5: Solve for x
    x = 284,012,909.58/19,210.40
  6. Step 6: Final answer
    x = 14,784.33

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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.