Home / 26,437.14-36,482.36-15,688.40

Finding the Fourth Proportional to 26,437.14, 36,482.36 and 15,688.40

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Solution

The fourth proportional to 26,437.14, 36,482.36 and 15,688.40 is: 21,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,437.14 : 36,482.36 = 15,688.40 : x
  2. Step 2: Convert to fraction form
    26,437.14/36,482.36 = 15,688.40/x
  3. Step 3: Cross multiply
    26,437.14x = 36,482.36 × 15,688.40
  4. Step 4: Simplify right side
    26,437.14x = 572,349,595.77
  5. Step 5: Solve for x
    x = 572,349,595.77/26,437.14
  6. Step 6: Final answer
    x = 21,649.45

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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.