Home / 13,798.19-19,041.40-7,510.57

Finding the Fourth Proportional to 13,798.19, 19,041.40 and 7,510.57

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Solution

The fourth proportional to 13,798.19, 19,041.40 and 7,510.57 is: 10,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.19 : 19,041.40 = 7,510.57 : x
  2. Step 2: Convert to fraction form
    13,798.19/19,041.40 = 7,510.57/x
  3. Step 3: Cross multiply
    13,798.19x = 19,041.40 × 7,510.57
  4. Step 4: Simplify right side
    13,798.19x = 143,011,767.60
  5. Step 5: Solve for x
    x = 143,011,767.60/13,798.19
  6. Step 6: Final answer
    x = 10,364.53

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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.