Home / 19,210.45-26,509.50-10,713.49

Finding the Fourth Proportional to 19,210.45, 26,509.50 and 10,713.49

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Solution

The fourth proportional to 19,210.45, 26,509.50 and 10,713.49 is: 14,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.45 : 26,509.50 = 10,713.49 : x
  2. Step 2: Convert to fraction form
    19,210.45/26,509.50 = 10,713.49/x
  3. Step 3: Cross multiply
    19,210.45x = 26,509.50 × 10,713.49
  4. Step 4: Simplify right side
    19,210.45x = 284,009,263.16
  5. Step 5: Solve for x
    x = 284,009,263.16/19,210.45
  6. Step 6: Final answer
    x = 14,784.10

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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.