Home / 19,085.76-26,332.02-11,534.40

Finding the Fourth Proportional to 19,085.76, 26,332.02 and 11,534.40

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Solution

The fourth proportional to 19,085.76, 26,332.02 and 11,534.40 is: 15,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.76 : 26,332.02 = 11,534.40 : x
  2. Step 2: Convert to fraction form
    19,085.76/26,332.02 = 11,534.40/x
  3. Step 3: Cross multiply
    19,085.76x = 26,332.02 × 11,534.40
  4. Step 4: Simplify right side
    19,085.76x = 303,724,051.49
  5. Step 5: Solve for x
    x = 303,724,051.49/19,085.76
  6. Step 6: Final answer
    x = 15,913.65

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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.