Home / 19,417.68-29,124.36-6,937.20

Finding the Fourth Proportional to 19,417.68, 29,124.36 and 6,937.20

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Solution

The fourth proportional to 19,417.68, 29,124.36 and 6,937.20 is: 10,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.68 : 29,124.36 = 6,937.20 : x
  2. Step 2: Convert to fraction form
    19,417.68/29,124.36 = 6,937.20/x
  3. Step 3: Cross multiply
    19,417.68x = 29,124.36 × 6,937.20
  4. Step 4: Simplify right side
    19,417.68x = 202,041,510.19
  5. Step 5: Solve for x
    x = 202,041,510.19/19,417.68
  6. Step 6: Final answer
    x = 10,405.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.